Glass Microfiber Filter Paper - 1110-3200 - Grade 111, 32cm Syringe Filters Grade 121 is also used

Grade 121 is also used in membrane pre-filtration and is also found in quantification of solids

Grade 131 is suited for cell harvesting

Can also be used to STM 2540-C and -B

The temperature resistance makes Grade 169 well-suited for suspended solids determination

Grade 54 is also used in air pollution testing to determine gaseous compounds

Glass Microfiber Filter Paper - 1110-3200 - Grade 111, 32cm Syringe Filters Grade 121 is also usedAhlstrom Munksj 111 1. 2 m, Fast Speed This grade offers fine particle retention with high filtration speed and good loading capacity. Grade 111 is used in general laboratory filtration including atmospheric and water pollution monitoring such as intake controls, ozone level, and water effluents. Grade 111 is also well suited for filtration of water and protein, testing of algae, bacteria cultures and for radioimmunoassay with weak beta emitters.