... -made 4,Got ISO 9001:2008 Certificate liquid filter cartridge Good Gas Permeability. Good Resistance to Corrosion, Heat ... , and Abrasion. Good Chemical Resistance. DescriptionThe stainless steel filter cartridge adopts sintered stainless steel fiber felt, has high-pressure ... with back flushing function7. Adopt woven SS mesh as filter cartridge, with high gas permeability, large dirt holding capacity, ...