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. Economical, disposable and sterile …

Avoid breakage and corrosion with Thermo Scientific™ Nalgene™ Heavy-Duty LDPE Funnels, the toughest large funnels available. Lighter weight than glass or metal funnels, these low density polyethylene funnels provide you with long-term use. Durable large funnels are designed for…

Ring for hanging; stem has groove for air passage Internal and external ribbing for air release

Analytical Filter Funnel, Polystyrene; Cellulose Nitrate (C.N.) Membrane CONTAINS FILTERS ONLY Nalge 140 47 mm diameter filter with grid Ideal for use with filtering flasks or manifolds Convenient snap-away design with removable membrane; funnel marked at 100 mL …

Durable, break-resistant, non-toxic polysulfone exhibits low protein- binding and is easy to clean Same funnel design as glass funnels without breakage problems Upper reservoir is graduated in 25 mL increments from 100 to 250 mL Unique fit of upper and funnel sections ensures no…

Polysulfone Durable and non-toxic Screw-type closure holds membrane in place Autoclavable Can be used with any filtering flask or manifold that accepts a suitable rubber stopper with hole. Includes one easy-to-use, no-twist Nalgene® vacuum gasket, which can replace a No. 7 or 8 rubber…

For standard filter papers Body is at 60° angle with internal ribs at 58° for rapid filtration Outside ribbing eliminates air lock Autoclavable

Polysulfone filter funnels For 47 mm diameter membrane filters Eliminates the need for a manifold and/or breakable glass vacuum flask Particularly useful for field work Receiver is graduated Non-sterile Autoclavable Two side-arms allow connection to vacuum line; also…

Funnel adapters for use with 145 and 147 series analytical test filter funnels, bulk-packed Polypropylene, non-sterile

Lightweight and durable Bottom and top can be separated for easier cleaning Autoclavable

Nalgene 147 Membrane meets EPA requirements for water quality work Cellulose nitrate black membrane filter is perfect for detecting micro-organisms difficult to see on white membranes. Graduated, 100 mL upper chamber provides sample accuracy and convenience. “Peel away” upper…

Replace #7 or #8 stoppers in any manifold or filtering flask with the Thermo Scientific™ Nalgene™ Vacuum Gasket for Filter Funnels. Permits filter funnel to slide quickly and easily in and out of gasket. These filtration products offer reliability, accuracy and safety for many research applications.