These gridded sterile membranes are specifically designed to save time when performing colony counting and microbiological quality control. The plain white non-sterile microfiltration membranes are used to remove particles and microorganisms from various organic solvents and aqueous solutions.

• Particle retention and collection
• Sterile filtration of solutions
• Particulate analysis
• Air monitoring applications
• Gridded membrane filters for easy colony counting
• Microbiological analysis of potable and waste waters

These cellulose nitrate membrane filters 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 is 130 °C. These membranes are available in a 47 and 50 mm ready-to-use standard size and it supports optimum colony growth.