Ideal for membrane filter analysis and pressure filtrations, the 150mL Nalgene Analytical Filter Units are made of polystyrene, with a cellulose nitrate membrane. The upper chamber easily twists off of receiver after filtration. Both chambers are graduated. Diameter: 47mm.

Contents per Box: 12 each, sealed, in original factory box. Price below is for a box of 12.

Note: For lab use only. Not for vitro diagnosis or parenterals.