Ahlstrom Grade 131 Glass Fiber Filters
Ahlstrom Medium Speed Glass Microfiber Filter Paper. Grade 131, 1.0µm - Medium
Speed is the standard grade found in many environmental applications
offers slightly more retention than Grade 111 with slightly lower
filtration speed and loading capacity. Recommended for the collection
of suspended solids in potable water and in industrial wastes. In
biochemical tests, suited for cell harvesting, liquid scintillation
counting and the analysis of carbohydrates.