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Features: 1) Model no.: 840AB
2) Strong force and good ventilation
3) Weight (g/sqm): 460
4) Density (root/10cm): 227.5 (warp), 117.5 (weft)
5) Thickness (mm): 0.88
6) Permeability (10 - 3cbm/sqm.s): 26
7) We can also supply other polypropylene filters, such as108,108C, 521, 522, 534, 750A, 750B, 110C, 4212 and 4878 according to your requirements. The weaving and density can be changed
