Sartorius 11306--50----ACN Nongridded Sterile Cellulose Membrane Filter, 0.45 um, 50 mm, 100/pk

Sterile, individually packaged filters for strict quality control
Pre-sterilized via gamma irradiation at 25kGray
Ready-to-use to save preparatory time
Avoids contamination of remaining filters in opened packs
Filter identification and lot number are printed on each individual envelope
Each membrane is checked to ensure:
It is not damaged in any way
It is positioned correctly with no slippage under the edge seal
It is free of particles
Each envelope has readable lettering
High-quality membranes for a variety of lab applications
Defined particle retention and outstanding, reliable recovery rates for microorganisms
Choice of two membrane materials:
Cellulose nitrate filters (mixed cellulose ester) assure effective retention combined with high flow rates and optimal colony growth
Cellulose acetate filters combine high flow rates and thermal stability with very low adsorption characteristics