No. 100R (Circles & Sheets) Filter speed medium fast, retention medium crystalline (11µm) precipitates smooth surface, normal hardness
No. 102R (Circles & Sheets) filter speed fast 8µm
No. 103R (Circles & Sheets), 6µm Slow filtration speed, smooth surface, normal hardness High retention efficiency for fine crystalline precipitates like barium sulfate
No. 104R Filter Speed-fast, Retention-coarse and gelatinous (25µm) precipitates smooth surface, normal hardness
No. 105R Ideal for water analysis, biological products, fine precipitates used in buchner funnel, filter speed medium, particle retention 2.5µm