Fit Nalgene filter receiver bottles have surfactant-free cellulose acetate (SFCA) membranes
Marked with catalog number, membrane type, pore size, lot number and expiration date for easy traceability
.45 m pore size
Fits 33 mm bottle neck size
Gamma radiation sterilized and individually bagged for 5-year sterile shelf life
Includes: Polystyrene graduated chamber; color-coded collar with cellulosic vent plug side arm and quick-disconnect tubing adapter; 50, 75, or 90 mm diameter membranes; bottom screw threads for attachment to bottles with 33 or 45 mm neck sizes