Convenient storage of filtrate or concentrated sample in standard microfuge tube. The Sartopore® Air Midisart® PES membrane filters outperform any PVDF filters easily. The contact angles of the membranes are presented in Table 1. Sterlitech PES (polyethersulfone) membrane filters, 0. 5–7. Filter buffer through PES membrane with 0. 2 µm) Millipore Express® SHF (0. Page 1 of 8. 2 or. Trade Name. It is designed to remove particulates during. The dead-stop volume for the 0. 5 mL tubes. It is designed to remove particulates during general filtration, and its. The Polyethersulfone membranes (PES) by DORSAN® are hydrophilic, asymmetric and manufactured using PES pure polymer. Split into 2 x 500 mL sterile bottles as needed. Polystyrene Bottle Top Filters - Surfactant Free Cellulose Acetate Membrane Nalgene 292 Sterile Specially designed for use with reusable glass media storage bottles Fits size 1,000 mL bottles with standard 33 or 45 mm neck finish Contains a 90 mm SFCA membrane filter with 0. • Available in 0. 2 µm nominal filters typically provide ≥ 6. 2 µm) Durapore® 0. 62 cm 2 fit into the filter cartridge. 22 µm pore size hydrophilic Polyethersulfone (PES) membrane. Stericup Quick Release-GP sterile vacuum filtration system combines a 500 mL Steritop bottle top filter unit, which uses a 0. They remove the need for the use of surfactants. 2 mL/min/cm 2. 22 µm Durapore ® PVDF membranes for sterilization of aqueous solutions with very low protein bindingPES membrane SFCA membrane PTFE membrane RC membrane Nylon XXX GF depth filter Housing MBS Housing PP Minisart. With the Biomax membrane, Microcon ® filters offer: Reverse spin to maximize recovery, even in the smallest samples. Thermo Scientific™ Nalgene™ Rapid-Flow™ single use bottle tops feature the exclusive Rapid-Flow support column design, providing fast flow rates and high throughput. Polyethersulfone PES. With PES syringe filter membrane mechanically strong character, it can handle high-temperature liquids, with great flow rate (better than PTFE), and low protein binding. For example, for purifying enzymes or other proteins in industrial purposes, which one of these two are preferred (ultracel regenerated cellulose membrane or biomax PES)? View Exosomes from cell. 0. 15ml Systems; 50ml Systems; 250ml Systems; 500ml Systems; 1000ml Systems; Bottle Top Filter Cups. As shown in Figure 2, the PES membrane, with the addition of 0. A polyethersulfone (PES) electrospun nanofiber mat was evaluated as a membrane for liquid filtration. 45 micron pore size, 25 mm diameter, pack of 100. Specifications Related Documents Order Table Product Support Supor™ PES membrane disc filters, a Pall Life Sciences product, are high flow rate membranes optimized for. Millipore Express ® PLUS PES membranes offer fast flow, high filter capacity and low protein binding, while remaining bacterially retentive. 1. Comes in a pack of 250 - Find MSDS or SDS, a COA, data sheets and more information. PES membrane filter is a high-flow, high-throughput membrane, mainly used for the sterile filtration of biological liquids with low protein adsorption. mdi syringe filter type SYPL have a PES membrane filter in a polypropylene housing. 2 micron pore size, 25 mm diameter, pack of 100. Durapore PVDF: Yes, indeed the 0. All filter capsules were of size 10" and were based on PES and PVDF membranes and are commercially available. The hydrophilic polyethersulfone membrane distinguishes itself by having an asymmetrically designed pore. Model 1234K63 filter cap has a 500 mL capacity and fits a 45 mm neck size bottle. Description Membrane Pore Size (µm) Qty/Pk Catalogue No. mdi syringe filter type SYPL have a PES membrane filter in a polypropylene housing. In terms of particle retention, filters fall into two categories: surface filters and depth filters. 2 μm membrane filter and related products for scientific research at MilliporeSigma. Solid particles > 0. Sartolab® RF 50, PES, vacuum filtration units are single-use units for the sterile filtration of sample volumes up to 50 mL. 26 x 2. Catalogue Number. Ultrafiltration cut disc membranes are available in Ultracel® regenerated cellulose and Biomax® polyethersulvone (PES). Pall® Supor® PES Membrane Disc Filters. Excellent Flow Rates and Gamma Compatibility Bring Your Air and Gas Filtration Ideas to Reality. Cause of. Filtration experiments of the purified DNA vectors were performed at room temperature using Durapore ® polyvinylidene difluoride (PVDF) (Millipore Corporation, MA, USA) and Supor ® polyethersulfone (PES) (Pall Life Sciences, Hampshire, UK) membranes. Sterlitech PES (polyethersulfone) membrane filters, 0. This PES membrane filter is permanently hydrophilic, with broad chemical compatibility and extremely low extractable levels in a wide range of fluids and applications. Choose from various sizes and membrane options. Available in 5 different membranes types, and two pore sizes, polypropylene body with PTFE and silicone septa. Polyethersulfone (PES) Membrane Syringe Filters with Microglassfiber Prefilters. Membrane: Millipore Express® product line is a line of sterilizing-grade filters made with the highest performance PES membrane in the market. the PES membrane. • Available in 0. In the case of water filtration, the hydrophilic nature of PES contributes superior water permeability and wettability to separation membranes. Increase filtration efficiency. 0. Mlllex®-GP Filter Unit (Sterile) A 33 mm diameter sterile syringe filter with a 0. Steriflip Nylon Net filters are now available in 40, 60 and 100 µm pore sizes, making them ideal for stem cell, cardiomyocite, neurological and skeletal tissue applications. 1 µm, 0. 2) Size and amount of particulates in the sample. Millex filters with Durapore® (PVDF) membrane are the lowest protein-binding syringe filters available. polyamide membrane circles, (NL17), 0. According to the manufacturer the. For help determining which device would be best for your solution, call Millipore. EZFlow® Membrane Disc Filter, PES, 0. 001–0. PES membranes. 最小压降. 1 micron pore size, 47 mm diameter, pack of 100. The larger 50 mm diameter disc filter has a PTFE membrane and polypropylene housing with hose barb connectors and is ideal for filtering aggressive. The polyethersulfone (PES) membrane filters have asymmetrical pore structure. Based on the determination of bound amount of PS-20 cm −2 of membranes, a hydrophobic-based non-specific. Microfiltration Durapore PVDF cut discs are available 0. Membrane performance of PES hollow fibers can be controlled by manipulating the membrane. Medium, buffer filtration -- PES membrane. The modified membrane surfaces were analyzed by ATR-FTIR, and the new hydrophilic nature of the membranes was determined by contact angle measurements. 6000 cm². Description Pricing; CMP471TS1: pore size 1. SLGP033RB. 1 or 0. 61. 7 nmol for a membrane area of 0. During scale-up, adding more fibers to process larger volumes enables consistency in the length of the. 5 cm 2) of depth-filter media, followed by a final 0. 1 µm至0. They. Microfiltration is best with particle sizes of roughly 0. 6. Capsule Filter. Related Products: 47 Mm Membrane. Millipore. CN and PES are multilayer-hole filters with a complex network of interconnected pores, deep and curvy pore canals [29], [30]. Sterlitech PES (polyethersulfone) membrane filters, 0. 2 µm PES Membrane Filter Devices Types of Solutions Filtered Foetal Calf Serum 5% BSA MEM 5cm² Filter. PES (Polyethersulfone) membrane is hydrophilic and constructed from Polyethersulfone polymer membrane. Page 1 of 8. 2 micron pore size, 25 mm diameter, pack of 100. To achieve >90% recovery of protein with the 0. 2 or 0. Extractables of PES Membrane Filters Identification, Lessons Learned and Rinsing Recommendation Uventia 2 nd Annual Extractables & Leachables Summit 2022 - 31 st of March 2022 Dr. 1 company based on our independent technology. 0 20 40 60 80 100 120 Agilent PES filter PVDF filter A PVDF filter B PVDF filter C PVDF filter D F i l t r a t i o n r e c o v e r y (%) BSA D BSA M Myoglobin D Myoglobin M Ovalbumin D Ovalbumin M Cytochrome C. 2 micron pore size, 13 mm diameter, pack of 100. The incorporated PES membrane demonstrates very high compatibility over the whole pH range plus very low protein binding to ensure the maximum transmission of the active ingredients. 2 or 0. The solution is fairly generic and can be used on most PES membranes. From single-layer high flow solutions to specific Mycoplasma retentive filters, Sartopore ® 2. PES membrane filters also have similar protein binding characteristics. The coating solution was produced by mixing chitosan solution (2% w/v in CH 3 COOH 1%) and NH 4 Cl aqueous solutions. They are used for sterilizing-grade filtration with a final membrane pore size of 0. Filter Devices are available in various materials, sizes, and concentration specifications. Complete Systems. Whatman Polycap TC capsule. Their small pore sizes allow for nanofiltration and ultrafiltration to take place. To alleviate this concern, three lots of polyethersulfone (PES), three lots of nylon, and two lots of nylon-HPF (nylon membrane with a glass fiber prefilter for high-particulate filtration) Millex ® syringe filter devices were tested for PFAS extractables. 2-µm LifeAssure PDA PES (3M Purification) membrane at a flow rate of 2 mL/min (0. Add stir bar and stir slowly at 4 ℃ for 1 h, then keep at 4 ℃ for 3 h without stirring to allow full precipitation. The highly asymmetrical pore structure of our PES flat membrane offers an excellent. Lubricate it with the silicone lubricant provided in the maintenance kit (or use lip balm or petroleum jelly). SLGP033RB. AAWG0250C. User Benefits Highest flow rates with an asymmetric membrane and a large surface area No loss of protein with a very low protein binding membrane Low…. While our complete compatibility table features recommendations for over 85 solvents, solutions, and gases, we have highlighted the most common materials used with our filtration products in the corresponding sections below. Description. View Pricing. 22 µm. The Polyethersulfone membranes (PES) by DORSAN® are hydrophilic, asymmetric and manufactured using PES pure polymer. 22 µm. Fax: 86-21-51687551. From type of filtration to material, use these guidelines to select syringe filters, lab filters, and membranes and papers. 20um or 0. Catalog number: 121-0020. Nalgene™ Rapid-Flow™ Sterile Disposable Bottle Top Filters with PES, CN, SFCA or Nylon Membranes. PES (Polyethersulfone). CF042: 56 x 115 mm (2. Compare this item. Our new hydrophobic and oleophobic polyethersulfone. The unique asymmetric structure of Millipore Express ® PLUS membranes extends filtration capacity and lifetime, allowing them to tolerate higher particle loads and protein concentrations. 05% carbon (M3), has the highest FRR value of 76 %, followed by the PES membrane with the addition of 0. Millex-GP Filter, 0. Trade Name. State-of-the-art Filter products This is Chung Ah Filter, a Polyethersulfone(PES), Polysulfone(PS) membrane manufacturing company. 2 µm, 10 , 25pc. Hydrophilic PES membrane consists of pure polyether sulfone polymers without support. Are you looking for high-quality microporous PES membranes for your filtration applications? Download the brochure from Sartorius and learn about the features and benefits of their PES membranes, such as low protein binding, high flow rates, and broad chemical compatibility. 2um Millex GV syringe filters (Cat. Sterile tissue culture-tested syringe filters are available in PES, regenerated cellulose, or surfactant-free cellulose acetate membranes in either polypropylene or acrylic copolymer housings. Filter Integrity Test Unit - Porecheck 4. 22 µm and 0. Sartolab® RF 50, PES, vacuum filtration units are single-use units for the sterile filtration of sample volumes up to 50 mL. In addition, solvent-membrane compatibility requires additional consideration of filtration-specific factors. 4 Very Low Hold-Up Volumes mdi PES membrane capsule filters are designed to offer very low hold-up volumes to minimize filtration losses and maximize product recovery. 2 µm rated sterile filters, the industry specifically developed finer filter membranes (0. Widely used in sterilization filtration in biopharmaceuticals due to its low protein binding and low extractables. • Nominal ratings are the pore size at which a particle of defined size will be retained with an efficiency below 100% (typically 90-98%)The sterile grade LifeTec™ PES-WN membrane filter is designed and developed for following applications: Clarification and sterilization of all types of water: • Bottled water • Mineral water • Spring water • Table water • Potable water High quality filtration for a variety of ultrapure water requirements: • Deionized waterFor sterile filtration of non-aqueous liquids, polytetrafluoroethylene (PTFE) membranes are available. 0. 5 mL concentrators, the minimum protein sample concentration should be 0. Discover our high-quality Polyethersulfone (PES) membrane filters for lab filtration. Biomax PES membranes are recommended for concentrating or desalting higher volumes of more concentrated samples such as serum, plasma, or conditioned tissue culture media. When viewing the membrane with reflected light at low incidence angles, each side has a somewhat. When viewing the membrane with reflected light at low incidence angles, each side has a somewhat. 6 µm; Meets ASTM bacterial validation standards; Extremely high flow rates at low pressure drops Choosing the right membrane filter is critical to the success of your process. Sterlitech PES (polyethersulfone) membrane filters, 0. Increase filtration efficiency. 3M™ High Flow Series Retrofit Filter Cartridge. Whatman Polycap TC capsule. 3 Blockage of filter membrane can be an alarming signal for an incompatibility reaction which could have severe clinical consequences for. PBVK07610. 2/0. 40 Price $78. 1 to 10 μm. mdi AseptiCap KS PES membrane large capsule filters are available in a wide range of pore sizes, sizes and end connections to suit a multitude of sterilization applications in biopharmaceuticals production processes. 03 micron pore size, 47 mm diameter, pack of 100. Kleenpak capsules are rugged and compact filter capsules available with a broad range of filter media and in 4 different sized formats designed for a variety of. 20 x 4. The last line of defense against cell culture contamination—Nalgene Rapid Flow Filter Units and Bottle Tops are. Hydrophilic, high flow rates, low non-specific protein adsorption, and chemical resistance. 8 micron pore size, 47 mm diameter, pack of 100. Cobetter’s PES membrane filter has very low protein binding and high liquid flow rates. Low liquid retention funnel design. 45 25 SE1M003M00 Steriflip® Steri-Strainer Nylon Net 100 25 SCNY00100 60 25 SCNY00060. PES is well suited for. 2 µm. Hide. Overview of Non-Sterile Millex® Syringe Filters with PES Membrane: • Non-sterile Millex® syringe filters with Millipore Express® PLUS polyethersulfone (PES) membrane provide fast filtration of aqueous and mild organic solutions. In addition, the PES membrane reduces the potential for bubble formation by not de-wetting in out-gassing fluids unlike hydrophobic filters such as polypropylene. However, PS and PES membranes are susceptible to oxidising agents, such as chlorine or hydrogen. (PES) membrane filters. 45 μm, cartridge nominal length 30 in. ** Polyethersulfone (PES) membranes are known for their thermal stability, durability, and resistance to acidic and alkaline solutions. 0 LRVs. Increase filtration efficiency. Depth filters: Depth filters retain particles internally. Testing Millex ® Syringe Filters with Water Samples using Modified EPA 537. The PVDF and PES membranes used were of sterilising grade with 0. PES Membrane. 2 / 0. 2/0. Typically, PES is used in the filtration industry as hollow fiber membranes as well as in respirator nebulizers. PES (polyethersulfone) membrane filter is made of a modified polyethersulfone polymer. 1 micron pore size, 200 x 200 mm sheets, pack of 5. through PVDF or PES membranes filters • Filtration over membrane filters with 0. Fax: 1-732-412-4040. PVDF Membrane; PES Membrane; Cell Strainers; Vacuum Filtration. Sartopore®2 XLM Pore size: 0. Recommended Products. 5µm Pore Size - 0. Sterlitech PES (polyethersulfone) membrane filters, 0. Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Filter Units with PES, CN, SFCA or Nylon Membranes. Catalog number: 158-0020. PES (Polyethersulfone) – low affinity for proteins and extractable with substantially faster flow rates than PVDF;. PES membrane filters are hydrophilic and produced from a polyethersulfone polymer membrane. SurePore PES membrane is naturally hydrophilic, exhibits high flux rates that either reduces the cartridge size required or extends service life and a wide range of chemical compatibility. Filter capsules for rinsing tests. 31 The XPS spectra of the membranes are shown in Fig. Designed for filtration and purification in a sterile environment. Hydrophilic, low protein/drug binding, minimal extractables, and broad chemical tolerance; ideal for pharmaceutical, medical, and life science applications. Filters with Milligard® PES Membrane Wetting Instructions, Integrity Testing, Sterilizing and Drying Guidelines 5 Troubleshooting NOTE Drying and rewetting the filter prior to retesting can minimize integrity test failure. View all products. 2 micron pore size, 47 mm diameter, pack of 100. Filters containing Millipore Express® membranes provide broad chemical compatibility Validation of the gDNA isolation method using the PES membrane filter . 0 μm membrane as noted in Table 5. With standard 5- and 10-inch format filters utilizing a laid-over-pleat membrane geometry in capsules and cartridges for high flow rates and throughput performance, their PES membrane ensures very high compatibility over the whole pH range and very low protein. 33mm diameter membranes available with 0. Stericup Quick Release-GP sterile vacuum filtration system combines a 500 mL Steritop bottle top filter unit, which uses a 0. In terms of organics rejection, an average TOC rejection of 87% was obtained for the 0. It can resist the temperatures up to 150°C. 50 ml FBS. Materials and Methods. 0. Conclusion. 45 µm membranes are considered general purpose filters. Low protein and drug binding characteristics make it ideally suited for use in life sciences applications. Syringe Filters. Sartopore 2 Cartridge, 0. Membrane Configurations PureFlo® Z Series PES capsules incorporate a final sterilizing grade 0. Mlllex®-GP Filter Unit (Sterile) MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. Filtering through a 0. 1 Micron, 47mm 100/Pk Sterlitech PES (polyethersulfone) membrane filters, 0. SLGP033NS. Overview of Non-Sterile Millex ® Syringe Filters with PES Membrane: • Non-sterile Millex syringe filters with Millipore Express PLUS polyethersulfone (PES) membrane provide fast filtration of aqueous and mild organic solutions. Supor™ EKV filter cartridge, 0. PES membrane is shown in Fig. Hydrophilic, low protein/drug binding, minimal extractables, and broad. A PES membrane filter is a common membrane and the world’s advanced microporous filter membrane. Sartobran ® P is the widely accepted sterile filter platform of choice for vaccine and blood & plasma products providing the highest product yield and exceptional throughput. Increase filtration efficiency. Thermo Scientific™ Nalgene™ Rapid-Flow™ Disposable Filter Units feature the exclusive Rapid-Flow support column design, providing fast flow rates and high throughput. 2. 2 µm membrane as well as an optional built-in ZenFlo® highly asymmetric prefilter tailored to PES membrane filters are hydrophilic and produced from a polyethersulfone polymer membrane. Expand. These filters are well suited to samples with low particulate content. You will also find information on their product portfolio, including. 0. To recover analytes or other valuable components of interest after filtration, it is important to choose a filter with low nonspecific binding. Sterlitech PES (polyethersulfone) membrane filters, 0. Moreover, it can be observed that the rejection of most of the heavy metals present. A versatile PVDF membrane filter designed for critical filtration of aqueous and organic solvent-based solutions. However, due to the size of liposomes and their physicochemical properties, this can be challenging with sterilizing grade filters. Download: English Acrocap Filter with Versapor RC Family. Membrane modification. These filters are ethylene oxide sterilized and are available in a variety of pore sizes and dimensions. PES (Polyethersulfone) membrane is hydrophilic and constructed from Polyethersulfone polymer membrane. From this study, nanocarbon. 0. 1 of 10. PES Membrane Filter, 0. This study includes the fabrication of highly sulfonated polyethersulfone (SPES)/polyethersulfone (PES) blended membranes with superior properties for effective oil/water separation. Materials and Methods. 2 µm pore size did not affect cell culture performance. This GVS Life Sciences part number, 3044270, PVDF filter membrane is Non-Sterile and has a diameter of 47 mm and pore size of 0. 2 or 0. Hawach has developed a high flux sterilizing-grade PES membrane filter for the filtration of solvents, which is available in. When viewing the membrane with reflected light at low incidence angles, each side has a somewhat. Millipore Express ® SHC (Sterile, High Capacity) Filters: 0. GSWP04700. This study aimed to investigate and establish the profile of BSA solution filtration using a standard PES membrane and a membrane modified with Tetronic 304 surfactant for permeability and rejection parameters. Macrofiltration is best with particle sizes greater than 50 μm. An easy method to prepare hydrophilic PES membranes with anti-fouling properties was developed by UV-polymerization of poly vinyl pirrolidone (PVP) on membrane surfaces. This strong, microporous film asymmetric membrane is constructed from a high-temperature polyethersulfone polymer that is acid and base resistant. Initially, we had standardized the buffer compositions and incubation conditions for optimal yield of gDNA from the buffy coat using the PES membrane (data not shown). This strong, microporous film asymmetric membrane is constructed from a high-temperature polyethersulfone polymer that is acid and base resistant. Compare Product No. Description Pricing; HPWP14250:. View Pricing. To alleviate this concern, three lots of polyethersulfone (PES), three lots of nylon, and two lots of nylon-HPF (nylon membrane with a glass fiber prefilter for high-particulate filtration) Millex ® syringe filter devices were tested for PFAS extractables according to EPA Method 537. 22 µm pore filter membranes. Increase filtration efficiency. Co 2+ ions, Cd 2+ ions, and Pb 2+ ions with two different initial concentrations (e. 可完全在水中进行完整性测试. Constructed with a high-temperature polyethersulfone polymer, this membrane exhibits remarkable resistance to acids and bases. 45 µm 10 in. Sterile, 1000 mL Steritop Quick Release-GP 45 mm threaded bottle top filter with 0. Membrane filter sterilization steam sterilization for 30 minutes. Lastly, the piston O-ring may be very dry, causing friction. This study aimed to investigate and establish the profile of BSA solution filtration using a standard PES membrane and a membrane modified with Tetronic 304 surfactant for permeability and rejection parameters. 05% Fe 2 O 3 (M2) of 66 % while the PES pristine membrane showed the lowest value of FRR. GVS PES Filtration Membrane is naturally hydrophilic without added wetting agents. Mlllex®-GP Filter Unit (Sterile) MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. Millipore Express. Polyamide membranes are made from pure polyamide polymer, and are considered to be a universal filter for clarification. 1 μm membrane) is your best assurance that mycoplasma will not be introduced into your cultures by serum or serum-containing media. 2/0. 45 μm Pore Size. 22 µm membranes. Four sizes: 150 mL, 250 mL, 500 mL, and 1L with 45 mm neck size. Increase sample protection with Fisherbrand Sterile Disposable Bottle Top Filters with PES Membranes. 45 µm pore sizes and two diameters to suit your application needs. Hydrophilic and suitable for filtering aqueous and some organic solvents in a variety of environments. Syringe filters are attached to the end of a syringe to remove particles from a sample prior to analysis. All Photos (1). Use them to filter protein solutions. 22 µm, 25 mm, Nonsterile, 200 Pack, SF15175 . 250ml Filter Cups; 500ml Filter Cups; 1000ml Filter Cups;We combine two asymmetric polyethersulfone (PES) membrane layers with our Advanced Pleat Technology in manufacturing LifeASSURE™ PDA Series Filter Capsule. Does our AEF1 Supor™ IV in-line filter meet the drug manufacturer requirements to use a membrane with a 0. Their high performance and superior gamma stability. With these features, PES syringe filters offer superior performance for use with biological samples and media culture. We performed at least 4 independent isolations for. Also known as screen, sieve or microporous filters, membranes retain particles or microorganisms larger than their pore size primarily by surface capture. Larger pore sizes are for clarification. You will also find information on their product portfolio, including. Filter through a 0. D: Dimer, M: Monomer. EverLUX ® polyethersulfone (PES) filters are optimized for sterile filtration, prefiltration and clarification applications where exceptional capacity, low protein binding and absolute bacteria retention are required. Overview of Non-Sterile Millex ® Syringe Filters with PES Membrane: • Non-sterile Millex syringe filters with Millipore Express PLUS polyethersulfone (PES) membrane provide fast filtration of aqueous and mild organic solutions. 0 μm PES membranes, respectively. The attachments are ideal for use with cell culture and serum-containing media, and asymmetrical hydrophilic membrane styles provide high flow rates. Slide 1 of 10. Price. This combination of membranes provides significantly greater throughput than standard filters without prefiltration media, especially when filtering particle laden solutions. Microcon ® Centrifugal Filters with Biomax ® PES Membranes . 1 cast from cold gels together with PES/C0 from a hot gel are believed to be suitable for a ultrafiltration (UF), while a permeability is lower than 20 LMH/bar for a nanofiltration/reverse osmosis (NF/RO), while the PES/C10 membrane showed greater fluxes more in keeping of a microfiltration membrane (MF). Filter Type: Membrane: Format: Microcentrifuge, Spin Column: Material (Membrane) PES: MWCO: 10 kDa:. 22 µm pore size hydrophilic Polyethersulfone (PES) membrane. Features & Benefits: •Disc diameters include: 25, 44. For all other concentrators, the minimum protein sample. 45µm pore size. Sterlitech PES (polyethersulfone) membrane filters, 0.