Ahlstrom Grade 161 Glass Fiber Filters

Ahlstrom Grade 161 Medium Speed Glass Microfiber Filter Paper. Grade 161, 1.1µm -
Medium Speed. This popular grade offers finer particle retention and
higher flow rate than traditional analytical filter papers. Used in
general laboratory applications, cell harvesting, liquid scintillation
counting, and in the monitoring of air and water pollution. Generally
recommended for water pollution monitoring techniques for total
suspended solids method 209