Description:

Nalgene Analytical Test Filter Funnels High impact polystyrene collars are rugged for reliable performance. Preassembled, sterile, individually bagged to ensure sample integrity. Adapters accommodate No. 8 stoppers for use with 0.5 in. hole in vacuum manifolds or filter flasks. Designed for single use only. 47mm diameter cellulose nitrate membrane is certified for water quality work. Features gray membrane that turns black when wet, making it easier to detect and count growing colonies. Six funnel adapters with each case. Meet requirements of APHA Standard Methods and EPA requirements for water quality work. Upper 150ml. Membrane CN. Pore Size 0.45 µm. Diameter 47mm. Pack Qty 50. Grid Black. Colour Grey. Type Filter Funnel.

Nalgene products have different lead times depending on stock status.