Membrane Filters

Ahlstrom offers gridded sterile membranes packed individually specifically designed to save time when performing colony counting and microbiological quality control

For diverse applications

• Particle retention and collection
• Sterile filtration of solutions
• Microbiological applications for cell growth and colony counting
• Particulate analysis
• Air monitoring applications
• Microbiological analysis of potable and waste waters

Cellulose Nitrate

Set standard in both analytical and microbiological filtration. Available in a wide range of pore size and is well suited for microbial analysis in water, food and beverage application in the pH range 4-8. Maximum thermal stability: 130°C.

• Grid: White / Black Grid
• Pore Size: 0.45 μm 
• Membrane Diameter (mm): 47

Available in individual sleeves (1000) or in a dispenser strip (3X300). The dispenser strip is usable in standard equipment from various manufacturers.