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.

White with Black Grid.

Features a graduated, “peel-away” upper, which easily separates from the collar to allow quick retrieval of the cellulose nitrate membrane for microbiological analysis.

250 mL, polypropylene upper with 47 mm, 0.2 or 0.45 µm membrane.

The 0.45 µm membrane has official certification for water quality work.

The 0.2 µm membrane is excellent for sterility testing.

Graduated upper chamber provides accurate and convenient sample measurements.

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.