Glass Microfiber Filter Paper - 1610-0250 - Grade 161, 2.50cm 10.50cm Grade 141 is particularly recommended

Grade 141 is particularly recommended for pre-filtration of membrane filters and is also used in combination with Grade 121 as a highly efficient protective and retentive grade density pre-filter for membrane filters

Grade 111 is used in general laboratory filtration including atmospheric and water pollution monitoring such as intake controls

air pollution testing

Grade 55 is also used in air and foodstuffs analysis and for chloride and phosphorous in cement

83 mm - 220 mm / 30 min

Glass Microfiber Filter Paper - 1610-0250 - Grade 161, 2.50cm 10.50cm Grade 141 is particularly recommendedAhlstrom Munksj 161 1. 1 m, Medium Speed This popular grade offers finer particle retention and higher flow rate than traditional analytical filter papers. Grade 161 is used in general laboratory applications, cell harvesting, liquid scintillation counting, and in the monitoring of air and water pollution. Grade 161 is generally recommended for water pollution monitoring techniques for total suspended solids. (100 circles box) Grade 161 for STM2540 D