Capsules and Inline Filters

Capsules and Inline Filters
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Welch™ PTFE Inline Filter
Economical in-line particulate filter maintains the cleanliness and proper operation of your vacuum pump. Welch™ PTFE Inline Filter protects your vacuum pump from fine particulates and aerosols to 0.2 microns.

Cytiva Whatman™ Carbon-Cap Disposable Activated Carbon Capsules
Filled with high-purity, high-efficiency, acid-washed, granular-activated carbon. Whatman™ Carbon Cap Disposable Activated Carbon Capsules are suitable for adsorption of organics from air and removal of color, organics and chlorine from water.

Housing Material | Polypropylene |
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For Use With (Application) | For water, chemical, and reagent purification |
Max. Pressure | 4.1 bar (60 psi) |
Cytiva Whatman™ Polycap™ Disposable Capsules, 36 TF
Manufactured with rugged PTFE membrane and polypropylene housing. Whatman™ Polycap™ Disposable Capsules, 36 TF filters organic and aggressive solutions, air and gas.
Housing Material | Polypropylene |
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Material (Membrane) | PTFE |
For Use With (Application) | Filtration of organic solutions, aggressive solutions, air and gas; also can be used as vent. |
Autoclavable | Autoclavable |
Filtration Area | 500 cm2 |
Merck Aervent-50 Disposable Filters
Sterilizing-grade filters designed for critical small-scale gas line and air venting applications
Pore Size | 0.2 μm |
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Diameter (Metric) | 62 mm |
Autoclavable | Autoclavable |
Cytiva Whatman™ Polycap™ Disposable Capsules - 36, 75, and 150 SPF
Provides serum prefiltration. Whatman™ Polycap™ Disposable Capsules permit filtration of tissue culture media, nutrients, immunologicals, enzymes, diagnostic standards/controls, biologicals, buffers, virus suspension. Includes inlet vent.
Pore Size | 1 μm |
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Housing Material | Polypropylene |
Material (Membrane) | Glass Microfiber, Polyethersulfone |
Autoclavable | Autoclavable |
Max. Pressure | 4.1 bar (60 psi) |
Cytiva Whatman™ Vacu-Guard 150 Vacuum Protection Filter: Activated Carbon
Hydrophobic PTFE membrane in a pleated cartridge with chemical trap
Cytiva Whatman™ PolyCap PES 36
Non-sterile Polycap™ PES (polyethersulfone) capsule filter combines a glass microfiber prefilter and a polyethersulfone membrane prolonging the life of the filter.
Cytiva Whatman™ Polycap Disposable Capsules, 150 TF
Polycap 150 TF filters for filtration of organic solutions, aggressive solutions, air and gas
Housing Material | Polypropylene |
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Material (Membrane) | PTFE |
Autoclavable | Autoclavable |
Max. Pressure | 4.1 bar (60 psi) |
Thermo Scientific™ Nalgene™ Vent Filters and 50mm Capsules
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Filter aggressive chemicals, including acids and non-aqueous solvents such as those used in GC and HPLC with this in-line syringe filter with PTFE membrane.

Material (Membrane) | PTFE |
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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.

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 Acro™ 50 Vent Devices with Emflon™ II Membrane
Disposable filters that are ideal for use in air or gas applications and for venting of bioreactors, fermentation tanks, and carboys.
Pore Size | 0.2 μm |
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Description | Stepped hose barb connection |
Diameter (Metric) | 50 mm |
Sterility | Non-sterile |
Filtration Area | 20 cm2 |
Cytiva Whatman™ Vacu-Guard Filter
Helps to confine and isolate infectious materials in vacuum systems and protect the laboratory. Whatman™ Vacu-Guard Filter protects vacuum pump systems from solvent vapor or gaseous contaminants and aqueous aerosols.

Pore Size | 0.45 μm |
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Type | Inline Filter |
Housing Material | Polypropylene |
Material (Membrane) | PTFE |
Quantity | 10Pack |
For Use With (Application) | Isolate infectious materials |
Product Line | Vacu-Guard Filter |
Cytiva Whatman™ PolyVENT™ Vessel Venting Filters
Flows in both directions with hydrophobic PTFE membrane. Whatman™ PolyVENT™ Vessel Venting Filters are integral filter products for sterile venting of vessels and tanks.

Pore Size | 0.2 μm |
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Housing Material | Polypropylene |
Material (Membrane) | PTFE |
Certifications/Compliance | Biosafe; all materials meet USP Class VI requirements; Manufactured in GMP-controlled cleanroom facilities |
For Use With (Application) | Sterile venting of filling, mixing, holding, autoclave, fermentation, shipping, and dispensing vessels; For isolation of incubators, autoclaves, lyophilizers, EtO sterilizers, and fermenters; For biotech, pharmaceutical and diagnostics, and food and beverage |
Autoclavable | Autoclavable |
Max. Pressure | 2 bar - forward direction (29 psi - forward direction) |
Cytiva Carbon Capsule - 100 g Activated Carbon
Carbon capsule not approved for use in medical, clinical, surgical or other patient applications.
