Analytical Filter Funnels, Sterile, NALGENE*
Ideal for use with standard filtering flasks or manifolds. Particularly useful for large-volume analytical applications. Convenient snap-away design allows easy removal of filter for analysis or microbial culturing. Conforms to APHA Standard Methods.
This white funnel with a gray grid is preassembled, presterilized, nontoxic, and disposable. Made of polystyrene, with a 47mm dia. cellulose nitrate membrane. Upper chambers are graduated at 150mL. (NNI 140-4045)
Ordering Information: Each pack of 12 filters contains one NALGENE vacuum gasket.