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 …

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 …

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…