For microbiological testing of water quality, food/beverages, raw material, sterility, and finished product quality.

• Membrane Ø: 47 mm

Each disposable, sterile filter funnel consists of a polypropylene upper chamber, a high-impact polystyrene collar, and a cellulose nitrate membrane. Graduated upper chamber separates easily from the collar for easy access to the membrane. Funnel adapters allow use with No. 8 stoppers; six adapters are included with each case. The 0.45 µm pore size membranes are certified for water quality work including coliform analysis.