Filter Funnel Nalgene™ Analytical Polystyrene / Cellulose Nitrate Membrane 250 mL

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

High impact polystyrene collars are rugged for reliable performance

Preassembled, sterile, individually are bagged to ensure sample integrity

Adapters accommodate No. 8 stoppers for use with 0.5 in. hole in vacuum manifolds or filter flasks

47 mm diameter cellulose nitrate membrane is certified for water quality work

Designed for single use only