Whatman^® MicroPlus STL Membranes for Microbiological Control, MicroPlus-21 STL Membrane, White, for Membrane-Butler, Diam. 50 mm, Pore Size 0.45 μm, Black Grid, Sterile, Pack of 400 ea, Whatman International Ltd. (CAT#: STEM-L-5663-LC)

The Whatman^® MicroPlus STL Membranes for Microbiological Control manufactured by Whatman International Ltd. is designed to collect the microorganisms from liquid for quantitative evaluation of microorganism counts. The parameters of membranes including bubble point, flow rate, bacterial retention, recovery rate, and sterility have been tested.

Material: Cellulose nitrate
Sterility: Sterile
Packaging: Pack of 400 ea
Diam.: 50 mm
Pore size: 0.45 μm

High mechanical strength
High flow rate
Sterile, individually packed
All membrane filters have a 3.1 mm high-contrast grid

Whatman^® MicroPlus STL Membranes for Microbiological Control, MicroPlus-31 STL Membrane, Black, for Membrane-Butler, Diam. 47 mm, Pore Size 0.45 μm, White Grid, Sterile, Pack of 400 ea, Whatman International Ltd. (CAT#: STEM-L-5664-LC)