Description
Diameter (Metric): 47 mm
Color: White
Type: Type 139 Membrane Filter
Quantity: 1000/Pk.
Unit Size: Each
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 wayIt is positioned correctly with no slippage under the edge sealIt is free of particlesEach envelope has readable letteringHigh-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
• The various-colored grids divide the filtration area into squares and provide the best possible color contrastEnables easy and reliable counting and identification of colonies and particlesDoes not influence the growth of bacteria and micro-colonies
• 0.45μm filters are manufactured in accordance with ISO 7704 standards
• Available in 47 and 50mm (1.9 or 2.0 in.) diameters
