Cytiva Membrane Filtration, MicroPlus-31 (Cellulose Nitrate), 50mm Diameter, Black, White Grid, Single Sterile Packed, pack/100

Cytiva's sterile Whatman MicroPlus-21 cellulose nitrate membrane filters are for microbiological quality control. The STL version is compatible with Membrane-Butler and other membrane filter dispensers.

• All MicroPlus-21 membrane filters are white with a high-contrast black grid (3.1 mm)
• Designed specifically for microbiological QC
• High mechanical strength and flow rate
• Tested for bubble point, bacterial retention, flow rate, recovery rate, and sterility
• Individually packaged for convenience and sterility
• Type STL provided in dispenser boxes with 100 numbered membrane filters for easy removal and secure handling using Cytiva's Membrane-Butler

High-quality membranes for microbiological quality control
In microbiological QC testing, liquid is first filtered through a membrane, allowing the microorganisms to collect on the surface. The filter is then incubated on a nutrient medium, and individual colonies are evaluated via a microbial contamination test.

Specifications:

• Application: For microbiological control
• Grid Color: White
• Grid Dimension: 3.1 mm
• Material: Cellulose Nitrate
• Pore Size: 0.45 µm
• Sterility: Sterile
• Diameter: 50 mm
• For Membrane Butler: No
• Color: Black