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Whatman Unsterile PVDF Syringe Filter - 0.45um pore size (Qty. 50)
Contain a unique prefiltration stack of Whatman multigrade GMF 150 (10:1 um) and Grade GF/F (0.7 um) prefilters. Final filter has a 0.45 um filter pore and PVDF (PolyVinyliDene Fluoride) membrane. Whatman® 25 mm GD/X syringe filters are non-sterile. Whatman Syringe Filters work well with the Cornwall fluid dispensing syringe.:22. and .45 sizes.