Bottletop Filters
Bottletop Filters
Merck Stericup™ Quick Release-GV Sterile Vacuum Bottle Top Filtration Systems
Stericup™ Quick Release Receiver Flasks include a click-seal confidence cap that enables a secure grip for your Bottle Top Filter in wet and dry conditions.
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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.
Corning™ Fiberglass Prefilters
For use in Corning bottle top and vacuum filtration systems.
Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Bottle Top Filters with PES, CN, SFCA or Nylon Membranes

Achieve fast flow rates and high throughput for increased filtration efficiency with Nalgene Rapid-Flow sterile disposable bottle top filters.
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Corning™ Centrifuge Tube Top Vacuum Filters, CA Membrane

Filters directly into centrifuge tube minimizing unnecessary transfers. Corning™ Centrifuge Tube Top Filters offer a viewing slot in base that lets you measure volumes as low as 5mL.
Corning™ Disposable Sterile Bottle-Top Filters, 0.45μm Membrane

Designed for use on glass or polystyrene media bottles with 33 and 45mm neck sizes. Corning™ Disposable Sterile Bottle-Top Filters are ideal for filtration of tissue culture media and components, biological fluids, other solutions.
Corning™ Disposable Sterile Bottle-Top Filters with 0.22μm Membrane

Designed for use on glass or polystyrene media bottles with 33 and 45mm neck sizes. Corning™ Disposable Sterile Bottle-Top Filters are ideal for filtration of tissue culture media and components, biological fluids, other solutions.

Fisherbrand™ Disposable PES Bottle Top Filters
Increase sample protection with Fisherbrand Sterile Disposable Bottle Top Filters 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.
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Merck Millex™ Syringe Filter, Hydrophilic PTFE, HPF, 0.20 μm
For removing particulates, reducing signal-to-noise ratios and maintaining flat baselines
DWK Life Sciences Wheaton™ Funnel for 47mm Filtration Assembly
Replacement funnel for 47mm Filtration Assembly. Designed to handle up to 1000mL of liquid for analysis of particulate or microbiological contamination.
DWK Life Sciences Wheaton™ 25mm Filtration Assemblies and Accessories
Choose from a wide range of filtration assemblies and accessories to suit your application needs
DWK Life Sciences Wheaton™ 25mm Filtration Assemblies and Accessories
Choose from a wide range of filtration assemblies and accessories to suit your application needs
Merck Stericup™ Quick Release Bottle Top Receiver Flasks
Stericup™ Quick Release Receiver Flask for Bottle Top Filtration includes a click-seal confidence cap that enables a secure grip in wet and dry conditions.
Merck Stericup™ Quick Release-VP Sterile Vacuum Bottle Top Filtration Systems
Stericup™ Quick Release Receiver Flasks include a click-seal confidence cap that enables a secure grip for your Bottletop Filter in wet and dry conditions.
Merck Steritop™ Sterile Vacuum Bottle-Top Filters
Filter and sterilize faster with a large 7.3cm diameter filter. Steritop™ Sterile Vacuum Bottle-Top Filters are sterile, threaded bottle-top filters with 0.22 micron pore size for vacuum filtration and sterilization of tissue culture media, protein and DNA solutions, and virus suspensions.
DWK Life Sciences Wheaton™ 25mm Filtration Assembly With No. 5 Stopper Connection With Stainless Steel Support
Designed to handle small volumes of liquids for analysis of particulate or microbiological contamination
DWK Life Sciences Wheaton™ 47mm Filtration Assembly and Accessories
Designed for filtering viscous or proteinaceous solutions to produce ultraclean filtrate. Wheaton™ 47mm Filtration Assembly and Accessories are manufactured from the highest quality materials.
DWK Life Sciences Wheaton™ 47mm Filtration Assembly
Designed to handle up to 1000mL of liquid for analysis of particulate or microbiological contamination
DWK Life Sciences Wheaton™ 1000mL Filter Flask with 40/35 Joint
Recommended for general filtration
DWK Life Sciences Wheaton™ 47mm Filtration Assembly
Designed to handle up to 1000mL of liquid for analysis of particulate or microbiological contamination
Merck Millex™ Syringe Filter, Hydrophilic PTFE, HPF, 0.45 μm
For removing particulates, reducing signal-to-noise ratios and maintaining flat baselines
DWK Life Sciences Wheaton™ 47mm Filtration Assembly
Designed to handle up to 1000mL of liquid for analysis of particulate or microbiological contamination
Merck Stericup™ Quick Release-GP Sterile Vacuum Bottle Top Filtration Systems
The Stericup™ vacuum filtration system is the most efficient single-use, disposable Bottle Top Filter process for sterile media preparation. It combines a Steritop™ filter unit with a receiver flask for processing and storing volumes from 150 mL to 1000 mL in a single, ready-to-use format.
Merck Steritop™ E-GP Funnel-less Sterile Vacuum Filtration Systems

The newest addition to the Stericup™ Quick Release Family. Evolved with an eco-conscience.
Merck Sterivex™ Sterile Pressure-Driven Devices
Minimize contamination risk to filtered solution by direct-dispensing design. Sterivex Sterile Pressure-Driven Devices are ready-to-use units that filter solutions with volumes of 100 to 2000mL. Available in a variety of fittings, pore sizes and membrane types.

DWK Life Sciences Wheaton™ 90mm Filtration Assemblies and Accessories
Manufactured from WHEATON 33 low extractable borosilicate glass that conforms to USP Type I and ASTM E 438 Type I, Class A requirements
DWK Life Sciences Wheaton™ 47mm Filtration Assembly with Standard Taper Joint Connection and Fritted Glass Support
Recommended for routine filtration of organic solvents, corrosive liquids and the removal of particulates from HPLC solvents. Wheaton™ 47mm Filtration Assembly with Standard Taper Joint Connection and Fritted Glass Support is manufactured from low extractable borosilicate glass.