Sartorius 11407--50----ACR Gridded Sterile Cellulose Nitrate Membrane Filters, 0.2μm, 50mm, 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
Manufactured in accordance with ISO 7704, ISO 7899-2, ISO 8199, ISO 9308-1 and EN 12780
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 Cellulose Nitrate membranes
Defined particle retention and outstanding, reliable recovery rates for microorganisms
Cellulose nitrate filters (mixed cellulose ester) combine high flow rates with optimal colony growth
Black grid divides the filtration area in 130 squares and provides stark color contrast
Enables easy and reliable counting and identification of colonies and particles
Does not influence the growth of bacteria and micro-colonie.