Nalgene 145-2045 Polypropylene Analytical Test Filter Funnel with Gray Grid and Sterile, 250mL Capacity, 47mm Cellulose Nitrate Membrane (Case of 50)

This 250mL low-cost disposable sterile filter funnel has a polypropylene upper and a high-impact polystyrene collar. Cellulose nitrate membrane meets U.S. Environmental Protection Agency (EPA) requirements for water quality work. Use for microbiological analysis testing food/beverages raw material sterility testing and finished product quality. Upper separates easily from lower for easy access to the membrane. Funnel adapter allows use with #8 stoppers. Six funnel adapters are included with each case. Single use only. Material: polypropylene upper with high-impact polystyrene collar and a cellulose nitrate (CN) membrane. Membrane diameter: 47mm. Pore size: 0.45µm. Membrane color: white with gray grid. Funnel capacity: 250mL. 50/Case. Nalgene #: 145-2045.