Stainless Steel Dust Filter Cartridge. ₹ 1,500. National Card Board Mill. Up To 6 Inch Plastic,Fabric Plated Dust Collection Cartridges, 10 To 50 Micron, Cartridge Filter. ₹ 650. GTS Filters And Systems (India) Private Limited. 2.5" & 4" Filter Cartridges, Spun and Wound, 0.1-100 Micron. ₹ 100. Waterman Engineers.