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Cytiva Whatman™ HEPA-Vent Filter
Strengthened glass filter media by dual lamination with a tough polyester monofilament. Whatman™ HEPA-Vent Filters are ideal for air and gas filtration applications where high retention, dirt-holding capacity and flow rates are required.

Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Bottle Top Filters with PES, CN, SFCA or Nylon Membranes
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This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
Learn More About the Greener Choice Program
Achieve fast flow rates and high throughput for increased filtration efficiency with Nalgene Rapid-Flow sterile disposable bottle top filters.
Disposable | Single-use |
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Type | Bottle Top Filter |
No. per Case | 12 |
Material | Polystyrene |
Filter Type | Membrane Filter |
No. per Pack | 12 |
Fit for Purpose | Sterile |
Sterility | Sterile |
DWK Life Sciences Kimble™ Kontes™ Ultra-Ware™ Microfiltration Assembly with Fritted Glass Support (25mm)
Designed to handle small volumes of liquids for analysis of particulate or microbiological contamination
Cytiva Whatman™ ReZist Air Venting Filter, 50mm, PTFE, 0.2μm, sterile
Lightweight air venting units suitable for protective vents in-line filtration, and isolation applications when working with chemicallly harsh solvents
Cytiva Whatman™ Polycap Disposable Capsules, 36 AS
Provides highly effective filtration area in a small size. Whatman™ Polycap Disposable AS Capsules, AS 36 filters large volumes and difficult samples with ease.
Housing Material | Polypropylene |
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Material (Membrane) | Nylon |
For Use With (Application) | Filtration of aqueous solutions (such as cell culture media, serum enzymes and water) and removal of bacteria and debris. |
Max. Pressure | 4.1 bar (60 psi) |
Filtration Area | 400 cm2 |
Cytiva Whatman™ Qualitative Filter Papers: Grade 2555½ Pleated Circles
Maintains flow rate with reduced contact between filter and funnel. Whatman™Grade 2555½ Pleated Circles are medium fast filter papers used for the filtration of the mash for the determination of the extract in malt and wort and for removing carbon dioxide from beer.
Thickness (Metric) | 170 μm |
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Particle Retention | 12 μm |
Type | Qualitative Filter Paper |
Format | Pre-pleated Circle |
Grade | Grade 2555 ½ |
Material | Cellulose |
Filtration Speed | Approx. 55 s |
For Use With (Application) | A medium fast filter paper used for the filtration of the mash for the determination of the extract in malt and wort and for removing carbon dioxide from beer. |
Cytiva Whatman™ 1573-1/2 Qualitative Filter Paper
Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses
Cytiva Whatman™ Qualitative Filter Paper: Grade 4 Circles
Filters and retains coarse particles for monitoring air pollution. Whatman™ Qualitative Filter Paper: Grade 4 Circles are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Thickness (Metric) | 210 μm |
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Pore Size | 20 to 25 μm |
Flow Rate | Fast |
Particle Retention | 25 μm |
Format | Disc |
Grade | Grade 4 |
Material | Cellulose |
Porosity | Medium |
Filtration Speed | 37 sec. |
Cytiva Whatman™ Puradisc™ 13mm Sterile Syringe Filters
Whatman™ Puradisc™ 13mm Sterile Syringe Filters may be used for biological and HPLC sample preparation.
Type | Syringe Filter |
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Diameter (Metric) | 13 mm |
Volume (Metric) | Up to 10 mL |
Pressure Rating | 5.2 bar (75 psi) |
Autoclavable | Autoclavable |
Sterility | Sterile |
Filtration Area | 1.3 cm2 |
Cytiva Whatman™ Binder-Free Glass Microfiber Prefiters, Grade GF/D
Functions as a prefilter when used with GF/B microfiber filters. Whatman™ Binder-Free Glass Microfiber Prefilters, Grade GF/D provide efficient membrane protection, especially during liquid scintillation counting.
Particle Retention | 2.7 μm |
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Temperature (English) Max. | 932°F |
Shape | Circle |
Description | GE’s Whatman Grade GF/D fine membrane filters are thick and offer good loading capacity. GF/D can also function as a prefilter when used with GF/B, and it comes in many sizes to fit most filter holders. |
Temperature (Metric) Max | 500°C |
Grade | Grade GF/D |
Material | Borosilicate Glass |
Thickness (Metric) | 675 μm |
Flow Rate | 2.6 s/100mL/in2 |
Type | Prefilter |
Basis Weight | 121 g/m2 |
Format | Disc |
Thickness (English) | 0.02 in. |
Autoclavable | Autoclavable |
Waterflow Rate | 681 mL/min |
Cytiva Whatman™ Three-piece Filter Funnel
Features quick and easy filtration. Whatman™ Three-piece Filter Funnels dismantle quickly for the insertion of a new filter. Funnels are available with a choice of three plates and come in several sizes.
Includes | Acrylic plate |
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Type | Filter Funnel |
Material | Polypropylene |
Cytiva Whatman™ Polycap™ TC High-Capacity Capsules
Developed for safe, efficient filtration of critical biological and tissue culture solutions. Whatman™ Polycap™ TC High-Capacity Capsules include PES membranes for excellent flow rate and protein absorption characteristics.
Pore Size | 0.8/0.2 μm |
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Outlet Style | Stepped Barb |
Outlet Fitting | 6 to 10 mm |
Inlet Style | Stepped Barb |
Housing Material | Polypropylene |
Material (Membrane) | PES |
For Use With (Application) | Suitable for pharmaceutical aqueous solutions, tissue culture media, reagent preparation, virus suspensions, particle counting solutions, cleaning and rinsing solutions. |
Sterility | Sterile |
Max. Pressure | 4.1 bar (60 psi) |
Cytiva Whatman™ Binder-Free Glass Microfiber Filters, Grade 934-AH Circles
Designed for analysis of non-filterable residue and materials that require a high loading capacity glass microfiber filter. Whatman™ Binder-Free Glass Microfiber Filters, Grade 934-AH Circles are also used in cell harvesting, liquid scintillation, and monitoring pollution.
Particle Retention | 1.5 μm |
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Temperature (English) Max. | 932°F |
Shape | Circle |
Description | Whatman Grade 934-AH borosilicate glass microfiber filters from GE are smooth water quality filters with high retention efficiency. Grade 934-AH filters are often used in total suspended solids analysis. |
Filtration Time | 47 sec./100mL |
Quantity | 100 Pack |
Grade | Grade 934-AH |
Material | Borosilicate Glass |
Thickness (Metric) | 435 μm |
Flow Rate | 3.7 sec./100mL/in.2 |
Type | Filter for Total Suspended Solids Analysis |
Basis Weight | 64 g/m2 |
Format | Disc |
Thickness (English) | 0.017 in. |
Surface Type | Smooth |
Waterflow Rate | 341 mL/min |
Cytiva Whatman™ Anodisc™ Filter Membranes
Constructed with precision pore structure and narrow pore size distribution. Whatman™ Anodisc™ Filter Membranes ensure a high level of particle removal efficiency. Captures microorganisms and particulates on the surface of the membrane for subsequent analysis.
Material | Aluminum Oxide |
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Cytiva Whatman™ Polycap™ HD Disposable Capsules: 75 HD
Offers high filtration efficiency and excellent filtrate purity due to its materials and methods of manufacture. Whatman™ Polycap™ HD Disposable Capsules fit between gross filters and microporous membrane filters used for final filtration.
Housing Material | Polypropylene |
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Material (Membrane) | Monofilament Anisotropic Polypropylene |
For Use With (Application) | Filtration of high-debris solutions and prefiltration of aggressive chemical solutions. Offer broad capacity between gross paper filters and microporous membranes. |
Autoclavable | Autoclavable |
Filtration Area | 805 cm2 |