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Sartorius™ Gridded Sterile Cellulose Nitrate Membrane Filters: 0.8μm

Membrane Filters for Colony Counting, Particle Testing and Microscopy - Cellulose nitrate (cellulose ester), gridded, individually, sterile packaged

$135.00 - $598.00


Material Cellulose Nitrate
Pore Size 0.8μm
Sterile Yes
Wettability Hydrophilic
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Catalog Number Mfr. No. Color Quantity (No. per Case) Diameter (Metric) Outer Price Quantity  
Catalog Number Mfr. No. Color Quantity (No. per Case) Diameter (Metric) Outer Price Quantity  
14-555-617 Sartorius™
Black 100/pk. 80mm Pack of 100 Each for $138.00
14-555-589 Sartorius Corporation
White 100/pk. 47mm Pack of 100 Each for $598.00
14-555-588 Sartorius Corporation
White 100/pk. 47mm Pack of 100 Each for $135.00
14-555-618 Sartorius Corporation
Gray 100/pk. 80mm Pack of 100 Each for $401.00
14-555-590 Sartorius Corporation
White 100/pk. 50mm Pack of 100 Each for $138.00
14-555-591 Sartorius Corporation
White 100/pk. 80mm Pack of 100 Each for $410.00
14-555-616 Sartorius Corporation
Gray 100/pk. 47mm Pack of 100 Each for $135.00


Sterile, individually packaged filters have long become standard for routine microbiological quality control because of the user benefits they offer. They are pre-sterilized and ready-to-use and save preparatory time. As they are individually packaged, they avoid the possibility of contamination of remaining filters in opened packs and conform with GLP, having filter identification and lot number printed on each individual envelope.The increasing demand on these filters required the construction of a new packaging machine with ultra-modern stamping. Each membrane is checked to ensure it is not damaged in any way, is positioned correctly with no slippage under the edge seal, has perfect grid printing and is free of particles. Each envelope is checked for readable lettering.These membrane filters are in accordance with the following norms: ISO 7704, ISO 7899-2, ISO 8199, ISO 9308-1 and EN 12780. In addition to this they have been manufactured for use especially at the same time with Sartorius Nutrient Pad Sets in accordance with many international regulations and recommendations: international pharmacopoeias, DIN and ISO Standards, the American Standards for Water and Foods, mineral water regulations, brewery guidelines, such as MEBAC or EBC, and recommendations of the food industry, such as LMBG, NCA and ICUMSA.All membranes are made of cellulose nitrate (cellulose ester), a material which assures effective retention with high flow rates and optimum colony growth. The printed grid divides the filtration area into 130 squares, each measuring 3.1 × 3.1 mm makes the counting easier, especially for higher bacteria counts and for micro-colonies, but does not influence the growth. The various filter colors allow the best contrast to the colonies or particles.

  • Outstanding recovery rates for microorganisms
  • High Flow membranes available
  • Certified quality
  • Gamma irradiated, 25kGray

Description & Specifications


Cellulose Nitrate