Filtration Membrane Discs
Thin, precut membrane rounds for high-throughput, fast filtration of liquid and gas samples. Gridded and non-gridded discs. Various materials including mixed cellulose ester, polycarbonate, PTFE, nylon, and PVDF. For air monitoring/analytical research.
Sizes
Filter membranes are made in a range of diameters, typically designed to fit a specific holder or manifold.
Materials
Filter membrane can be made from cellulose, mixed cellulose esters (MCE), polyvinylidene fluoride (PVDF), polyethersulfone (PES), polyvinyl chloride (PVC), polytetrafluoroethylene (PTFE), nylon, polycarbonate (PC), polyester, polyethylene terephthalate (PET), and polypropylene (PP). Other membrane materials include aluminum oxide, gelatin, porcelain, and glass.
Pore Size
The size of membrane pores determines which particles will be retained by the filter. A pore size of 0.2 µm is small enough to remove microbes from solutions; a 0.45 µm ore size can remove larger particulates.
Color and Grids
White membrane filters may be plain or marked with square grids (outlined in black) that can help with enumerating particles. Gridded or plain black membrane filters may be helpful when filtering light-colored particulates.
Sterility
Filter membranes may be pre-sterilized or may be sterilized using ethylene oxide, gamma irradiation, or autoclaves. The need for sterility is determined by the application, which are many and varied:
- Light microscopy samples
- Cytology sample preparation
- Electron microscopy samples
- Air quality and other environmental monitoring
- Water analysis and water quality testing
- Microbiology colony counting and quality control
- Chemotaxis
- Sterile preparation of buffers, tissue culture media, microbiological media, and other biological fluids
Foxx Life Sciences EZLabpure™ Nylon Hydrophilic Membrane Filters, 1.2µm Pore Size, 25mm Diameter Filtration Membrane Discs, Non Sterile, 50/PK
EZLabpure™ Nylon Hydrophilic Membrane Filters are engineered for reliable particle retention, sample clarification, and broad chemical compatibility in laboratory applications. These Nylon membrane filter discs provide excellent mechanical strength, consistent flow rates, and dependable performance for aqueous and organic solutions. Available in 0.22 um, 0.45 um, 0.8 um, and 1.2 um pore sizes, and offered in 13 mm, 25 mm, 47 mm, 90 mm, 142 mm, and 293 mm diameters, all variants are supplied non-sterile. All components comply with USP Class VI Standards, ensuring material safety and consistent filtration quality.
The filtration membrane discs are recommended for particle removing filtration for water, aqueous solutions and solvents for analytical determinations such as HPLC, and filtration of these liquids. These filters are hydrophilic and suitable for HPLC sample preparations, sterile filtration of aqueous and solvent solutions, and clarification and particle removal.
Foxx Life Sciences EZLabpure™ Cellulose Nitrate CN Hydrophilic Membrane Filters, 0.8µm, 142mm Diameter Filtration Membrane Discs, Non Sterile, 25/PK
EZLabpure™ Cellulose Nitrate CN Hydrophilic Membrane Filters designed for efficient particle retention, sample clarification, and microbiological applications. Featuring high-quality cellulose nitrate membranes, these membrane filter discs deliver consistent flow rates and reliable performance for laboratory filtration. Available in 0.22 um, 0.45 um, 0.8 um pore sizes, and offered in 25 mm, 47 mm, 90 mm, 142 mm, and 293 mm diameters. All membrane filter discs are supplied non-sterile and comply with USP Class VI Standards.
These Filtration Disc Membranes are used for applications involving aqueous solutions. Featuring narrow pore size distribution, these filters ensure improved surface capture and analysis with low levels of extractables, making them a reliable choice for particle counting in liquids and aerosols. These support a wide range of laboratory filtration, microbiological testing, and general sample preparation applications
Foxx Life Sciences EZLabpure™ Cellulose Nitrate CN Hydrophilic Membrane Filters, 0.8µm, 25mm Diameter Membrane Filter Discs, Non Sterile, 50/PK
EZLabpure™ Cellulose Nitrate CN Hydrophilic Membrane Filters designed for efficient particle retention, sample clarification, and microbiological applications. Featuring high-quality cellulose nitrate membranes, these membrane filter discs deliver consistent flow rates and reliable performance for laboratory filtration. Available in 0.22 um, 0.45 um, 0.8 um pore sizes, and offered in 25 mm, 47 mm, 90 mm, 142 mm, and 293 mm diameters. All membrane filter discs are supplied non-sterile and comply with USP Class VI Standards.
These Filtration Disc Membranes are used for applications involving aqueous solutions. Featuring narrow pore size distribution, these filters ensure improved surface capture and analysis with low levels of extractables, making them a reliable choice for particle counting in liquids and aerosols. These support a wide range of laboratory filtration, microbiological testing, and general sample preparation applications
![Medchemexpress LLC N-[3,5-bis(trifluoromethyl)phenyl]-1,2-benzisothiazol-3-amine 1,1-dioxide | 823830-85-9 | 99.7% | 394.30 Da | C15H8F6N2O2S | 5 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000221374.png-250.jpg)
Medchemexpress LLC N-[3,5-bis(trifluoromethyl)phenyl]-1,2-benzisothiazol-3-amine 1,1-dioxide | 823830-85-9 | 99.7% | 394.30 Da | C15H8F6N2O2S | 5 MG
M1002 is a small-molecule allosteric agonist of hypoxia-inducible factor-2 (HIF-2) that enhances expression of HIF-2 target genes. It is supplied as a solid research reagent for in vitro and biochemical studies to modulate HIF-2 signaling pathways.
- High chemical purity (99.7%).
- Well-defined molecular formula C15H8F6N2O2S and molecular weight 394.30 Da.
- Identified by CAS 823830-85-9 for unambiguous reference.
- Recommended storage: powder -20°C (stable up to 3 years); in solvent -80°C (6 months) or -20°C (1 month).
- Suitable for cellular and biochemical assays to activate HIF-2 signaling.
Foxx Life Sciences EZLabpure™ Polypropylene PP Hydrophilic Membrane Filters, 0.22µm Pore Size, 25mm Diameter Filtration Membrane Discs, Non Sterile, 50/PK
EZLabpure™ Polypropylene PP Hydrophilic Membrane Filters are designed for efficient particle retention, sample clarification, and routine laboratory filtration applications. Featuring high-quality PP hydrophilic membranes, these membrane filter discs provide strong chemical compatibility and reliable flow performance for aqueous solutions. Available in 0.22 um and 0.45 um pore sizes, and offered in 13 mm, 25 mm, 47 mm, and 90 mm diameters. All membrane filter discs are supplied non-sterile and comply with USP Class VI Standards for safe use in research and analytical environments.
These Filtration Disc Membranes are a preferred choice for HPLC applications. This plastic polymer has good resistance to a broad range of chemicals even at high temperatures, making it adaptable for applications ranging from air filtration. They are suitable for aqueous and organic solvent filtration, depth filtration, sterilizing gases, and trapping aqueous aerosols, and air and gas venting.
Foxx Life Sciences EZLabpure™ PTFE Hydrophobic Membrane Filters, 1.2µm Pore Size, 47mm Diameter Filtration Membrane Discs, Non Sterile, 50/PK
EZLabpure™ PTFE Hydrophobic Membrane Filters are engineered for superior chemical resistance and reliable filtration in laboratory. Available in hydrophobic & hydrophilic configurations, these PTFE membrane filter discs offer consistent flow rates & effective particle retention. Hydrophobic variants are available in 0.22 um, 0.45 um, and 1.2 um pore sizes, while hydrophilic are offered in 0.22 um and 0.45 um, with diameter options 13 mm, 25 mm, 47 mm, 90 mm and 142 mm. All filters are non-sterile and comply with USP Class VI Standards.
These Filtration Membrane Disc Filters are composed of pure PTFE membrane bonded to a polypropylene support, ensuring broad chemical compatibility (pH 1–14) for filtration of solvents, acids, and aggressive chemicals. Due to their hydrophobic nature, pre-wetting with solvents such as ethanol or methanol is required before filtering aqueous solutions.
Cole-Parmer Stuart WOLFFHUEGAL DISCS 10/PK
Features a robust die-cast body to prevent traveling while on, and has an integrated port to support a lab rod for holding vessels in place during continuous operation. The variable-speed allows more control—use at 200 rpm for more gentle mixing, all the way up to 2500 rpm for vigorous agitation. Additionally, choose between "touch" on or continuous modes. The accessory pack of heads (sold separately) lets you mix in a standard microplate, a beaker or flask (up to 500 mL), eight 0.2-/0.5-mL microtubes, sixteen-1.5 mL microcentrifuge tubes, or make your own custom holder with the blank foam.
Sterlitech Corporation Polycarbonate (PCTG) Gold-Coated Membrane Filters, 0.8 Micron, 40/20nm Coating, 13mm, 10/Pk
Polycarbonate (PCTG) Gold-Coated Membrane Filters, 0.8 Micron, 40/20nm Coating, 13mm, 10/Pk
Foxx Life Sciences EZLabpure™ PTFE Hydrophobic Membrane Filters, 0.22µm Pore Size, 142mm Diameter Membrane Filter Discs, Non Sterile, 25/PK
EZLabpure™ PTFE Hydrophobic Membrane Filters are engineered for superior chemical resistance and reliable filtration in laboratory. Available in hydrophobic & hydrophilic configurations, these PTFE membrane filter discs offer consistent flow rates & effective particle retention. Hydrophobic variants are available in 0.22 um, 0.45 um, and 1.2 um pore sizes, while hydrophilic are offered in 0.22 um and 0.45 um, with diameter options 13 mm, 25 mm, 47 mm, 90 mm and 142 mm. All filters are non-sterile and comply with USP Class VI Standards.
These Filtration Membrane Disc Filters are composed of pure PTFE membrane bonded to a polypropylene support, ensuring broad chemical compatibility (pH 1–14) for filtration of solvents, acids, and aggressive chemicals. Due to their hydrophobic nature, pre-wetting with solvents such as ethanol or methanol is required before filtering aqueous solutions.
Foxx Life Sciences EZLabpure™ PES Hydrophilic Membrane Filters, 0.22µm Pore Size, 13mm Diameter Membrane Filter Discs, Non Sterile, 100/PK
EZLabpure™ PES Hydrophilic Membrane Filters designed for efficient sample clarification, sterile filtration of aqueous solutions, and reliable particle retention in laboratory applications. Featuring high-quality polyethersulfone (PES) membranes, these filter discs provide excellent flow rates, low protein binding, and consistent performance. These PES membrane filter discs are available in 0.22 um and 0.45 um pore sizes, and offered in 13 mm, 25 mm, 47 mm, and 90 mm diameters, all variants are supplied non-sterile for research and analytical use. All components comply with USP Class VI Standards, ensuring safety and material compatibility for laboratory environments.
These filtration membrane discs offer very low protein affinity, high permeability, long operational lifespan due to its high throughput, and minimal extractable levels. Their hydrophilic surface enables efficient performance across a wide range of liquid media and dry gas streams.
Foxx Life Sciences EZLabpure™ Nylon Hydrophilic Membrane Filters, 0.8µm Pore Size, 47mm Diameter Membrane Filter Discs, Non Sterile, 50/PK
EZLabpure™ Nylon Hydrophilic Membrane Filters are engineered for reliable particle retention, sample clarification, and broad chemical compatibility in laboratory applications. These Nylon membrane filter discs provide excellent mechanical strength, consistent flow rates, and dependable performance for aqueous and organic solutions. Available in 0.22 um, 0.45 um, 0.8 um, and 1.2 um pore sizes, and offered in 13 mm, 25 mm, 47 mm, 90 mm, 142 mm, and 293 mm diameters, all variants are supplied non-sterile. All components comply with USP Class VI Standards, ensuring material safety and consistent filtration quality.
The filtration membrane discs are recommended for particle removing filtration for water, aqueous solutions and solvents for analytical determinations such as HPLC, and filtration of these liquids. These filters are hydrophilic and suitable for HPLC sample preparations, sterile filtration of aqueous and solvent solutions, and clarification and particle removal.
Alkali Scientific CellPro™ NY Nylon Membrane Filter, 100/Pk, 25 mm, 0.22 μm
CellPro™ NY (Nylon) Membrane Filters are durable, hydrophilic membranes made from high quality nylon polymer, designed for general purpose filtration of aqueous solutions and many organic solvents. These membranes provide excellent mechanical strength, high flow rates, and broad chemical compatibility, making them suitable for sample preparation, sterilization, microbiology, and analytical applications. Nylon membranes exhibit low extractables and reliable binding characteristics for nucleic acids and proteins, supporting use in biochemical and environmental testing workflows. Because of their hydrophilic structure, they require no pre wetting and allow fast, efficient filtration of both acidic and alkaline solutions. Available in multiple pore s and diameters, these filters are supplied in convenient packs of 100, ready for routine laboratory and research use.
Meissner Steridyne Hydrophobic PVDF Filter
Meissner Steridyne Hydrophobic PVDF Filter, 47mm Disc, 0.2µm, 12.4cm² EFA, Non-Sterile
Ace Glass, Inc. 0.510" 105 micron polypropylene filter for #15 threaded adapters. Pkg/12.
0.510" 105 micron polypropylene filter for #15 threaded adapters. Pkg/12.
Foxx Life Sciences EZLabpure™ Nylon Hydrophilic Membrane Filters, 0.22µm Pore Size, 293mm Diameter Filtration Membrane Discs, Non Sterile, 25/PK
EZLabpure™ Nylon Hydrophilic Membrane Filters are engineered for reliable particle retention, sample clarification, and broad chemical compatibility in laboratory applications. These Nylon membrane filter discs provide excellent mechanical strength, consistent flow rates, and dependable performance for aqueous and organic solutions. Available in 0.22 um, 0.45 um, 0.8 um, and 1.2 um pore sizes, and offered in 13 mm, 25 mm, 47 mm, 90 mm, 142 mm, and 293 mm diameters, all variants are supplied non-sterile. All components comply with USP Class VI Standards, ensuring material safety and consistent filtration quality.
The filtration membrane discs are recommended for particle removing filtration for water, aqueous solutions and solvents for analytical determinations such as HPLC, and filtration of these liquids. These filters are hydrophilic and suitable for HPLC sample preparations, sterile filtration of aqueous and solvent solutions, and clarification and particle removal.