Shop All Filtering Funnels

Nalgene™ Single Use Analytical Filter Funnels Thermo Scientific™

Use these economical sterile disposable filter funnels to perform microbiological QC testing and analysis of water, food/beverage, raw material and finished product. The squeeze and twist funnel is easy to remove for retrieval of the CN membrane.

Filtration Hardware, Accessories, and Spare Parts

Thermo Scientific™ Nalgene™ filtration hardware and accessories can be used in a wide range of applications and in conjunction with our various lines of filtration devices.

Nalgene™ Büchner Two-Piece Polypropylene Funnels Thermo Scientific™

Separate the lightweight and durable Thermo Scientific™ Nalgene™ Büchner Two-Piece Polypropylene Funnels for easy cleaning. These autoclavable funnels won't chip, crack or break.

Nalgene™ Reusable Bottle Top Filters Thermo Scientific™

Combine the convenience of a bottle top filter with the savings of a reusable device. Non-cytotoxic Nalgene™ polysulfone reusable bottle top filters screw securely onto glass media bottles with 33 or 45mm neck sizes.

Nalgene™ Reusable Analytical Funnels Thermo Scientific™

For use with any filtering flask or vacuum manifold that accepts a rubber stopper with hole. Comes with easy-to-use, no twist vacuum gasket; sterilization and analytical support plates. Accepts 47 ot 50 mm diameter membranes. 1 unit per case.

Nalgene™ Reusable Filter Units Thermo Scientific™

Reusable filter units include two membrane support plates: a clear one-piece plate for sterilization applications and a two-piece white plate for analytical applications. Accepts 47 or 50 mm diameter membranes. Two side-arms allow connection to vacuum line. Tubing adapters accept 1/4- to 5/16-inch (6 to 8 mm) I.D. vacuum tubing. 4 units per case.