
Filters and Filtration




















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MilliporeSigma™ MF-Millipore™ Membrane Filter, 0.45 μm

MF-Millipore™ Membrane Filter are mixed cellulose esters (MCE) membrane, hydrophilic.

Thickness (Metric) | 150 μm |
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Pore Size | 0.45 μm |
Disposable | Reusable |
Flow Rate | 60 mL/min. x cm2 |
Wettability | Hydrophilic |
Type | Filter Membranes |
Material | MCE |
Filter Type | Membrane Filter |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Fisherbrand™ Disposable PES Filter Units
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Offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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Offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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Increase cell culture sample protection with Fisherbrand sterile disposable vacuum filter units with PES membranes. The polyethersulfone (PES) membranes have low extractables and low protein binding for use in sterile filtration and clarification of cell culture media and serum.

Disposable | Single-use |
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Binding Capacity | Low binding |
Material (Membrane) | PES |
Certifications/Compliance | Non-pyrogenic per USP Standard Lot-to-Lot |
Sterility | Sterile |
Sartorius Cellulose Acetate Membrane Filters

Combines high flow rates and thermal stability with very low adsorption characteristics. Sartorius Cellulose Acetate Membrane Filters are excellently suited for use in pressure filtration devices. Non-sterile filters in a variety of diameters and pore sizes are bulk-packed to save money and space.
Thickness (Metric) | 120 μm |
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Disposable | Single-use |
Type | Membrane Filter |
Format | Disc |
Material (Membrane) | Cellulose Acetate |
Color | White |
Material | Cellulose Acetate |
Hydrophobicity | Hydrophilic |
For Use With (Application) | For use in pressure filtration devices; Sterile filtration of solution. |
Autoclavable | Autoclavable |
Sterility | Non-sterile |
Cytiva Whatman™ 47 mm Nuclepore™ Polycarbonate Track-Etched Membranes
Manufactured from high-quality polycarbonate film and track-etched for high pore size precision. Whatman™ 47mm Nuclepore™ Polycarbonate Hydrophilic Membranes combine high flow rates and chemical and thermal resistance with sharply defined pores, making them suitable for microscopy, cytology, parasitology, and certain air and oceanography analyses.

Flow Rate | High |
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Diameter (Metric) | 47 mm |
Material | Nucleopore Polycarbonate |
Hydrophobicity | Hydrophilic |
For Use With (Application) | Epifluorescence microscopy, environmental analysis, cell biology |
Disposable | Reusable |
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Type | Laboratory Filter Holders or Cyclones |
For Use With (Equipment) | Sterifil Aseptic System |
Housing Material | Polypropylene |
Material | Silicone |
Autoclavable | Autoclavable |
Sterility | Non-sterile |
Fisherbrand™ Vacuum Filter Holders, Borosilicate Glass Bases
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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For use with Fisherbrand™ Vacuum Filter Holders

For Use With (Equipment) | Vacuum Filter Holder |
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Material | Borosilicate Glass |
Diameter (Metric) | 50 mm |
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Inlet Style | Stepped Barb (1/4 to 3/8 in.) |
Housing Material | Polypropylene |
Material (Membrane) | Polypropylene |
Volume (Metric) | Up to 1000 mL |
Quantity | 10 |
No. per Pack | 10 Pieces |
Filtration Area | 20.4 cm2 |
Cytiva Whatman™ Polycap™ HD 36 Disposable Capsule Filters
Ensures a finishing step yielding high purity final product. Whatman™ Polycap™ HD 36 Capsule Filters are suitable for filtering chemical solutions across wide temperature and pH ranges.
Housing Material | Polypropylene |
---|---|
Material (Membrane) | Monofilament Anisotropic Polypropylene |
For Use With (Application) | Filtration of high-debris solutions and prefiltration of aggressive chemical solutions. |
Autoclavable | Autoclavable |
Cytiva Whatman™ Grade 91 Wet Strengthened Qualitative Filter Papers - Circles
High wet strength due to the addition of chemically stable resin
Thickness (Metric) | 205 μm |
---|---|
Pore Size | 10 μm |
Particle Retention | 10 μm |
Format | Disc |
Grade | Grade 91 |
Material | Cellulose |
Filtration Speed | 70 sec. |
For Use With (Application) | A general purpose creped filter for less critical routine analysis. Widely used to assay sucrose in cane sugar and within pharmaceutical laboratories for routine filtration. |
Sartorius PTFE (Polytetrafluorethylene) Membrane Filters
Filter air and gasses, even at low differential pressures. Sartorius PTFE (Polytetrafluorethylene) Membrane Filters are permanently hydrophobic with low adsorption and excellent chemical compatibility. Choose from four pore sizes in a variety of diameters.
Disposable | Single-use |
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Type | Membrane Filter |
Material (Membrane) | PTFE |
Color | White |
Material | PTFE |
Filter Type | Membrane Filter |
Hydrophobicity | Hydrophobic |
For Use With (Application) | Air/gas-filtration |
Autoclavable | Autoclavable |
Cytiva Whatman™ Grade 91 Wet Strengthened Qualitative Filter Papers - Sheets
High wet strength due to the addition of chemically stable resin
Thickness (Metric) | 205 μm |
---|---|
Pore Size | 10 μm |
Format | Sheet |
Quantity | 500 Pk. |
Grade | Grade 91 |
Material | Cellulose |
Filtration Speed | 70 sec. |
For Use With (Application) | A general purpose creped filter for less critical routine analysis. Widely used to assay sucrose in cane sugar and within pharmaceutical laboratories for routine filtration. |
Spectrum™ Spectra Mesh™ Woven, Nylon Filters
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Consist of individual strands woven into a mesh screen
Material | Nylon |
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MilliporeSigma™ Isopore™ Membrane Filters, 10 μm

Use for analyses of airborne contaminants and other particles using optical or electron microscopy. Isopore™ Polycarbonate Membrane Filters have a smooth, glass-like surface for clearer sample observation. Available in a variety of pore sizes/flow rates, diameters and colors.
Pore Size | 10 μm |
---|---|
Flow Rate | Avg. 900 mL/min x cm2 (typical results (at 10 psi)) |
Wettability | Hydrophilic |
Type | Filter Membranes |
Color | White |
Material | Polycarbonate |
Filter Type | Screen Filter |
Hydrophobicity | Hydrophilic |
For Use With (Application) | Air Analysis; Cell Biology; Cell Culture; Bioassays; Cytology; Environmental Analysis; Epifluorescence. |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Gas Flow Rate | 69.0 L/min/cm2 |
MilliporeSigma™ Mitex™ Membrane Filters, 10 μm

Unlaminated for extreme chemical or temperature conditions
Pore Size | 10 μm |
---|---|
Wettability | Hydrophobic |
Type | Filter Membranes |
Color | White |
Material | PTFE |
Filter Type | Screen Filter |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Membrane Type | Plain |
Pore Size | 10 μm |
---|---|
Flow Rate | 70 mL/min x cm2 |
Wettability | Hydrophilic |
Type | Filter Membranes |
Color | White |
Material | Nylon |
Filter Type | Net Filter |
Hydrophobicity | Hydrophilic |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |