10 20 30 40 inch RO Water Filter Cartridge for PP melt blown Sediment Cartridges 1 5 10 25 50 100 um micron Quotation is for reference only, please send us the specification requirement, and we will update you the best price. Package 10 inch: 50PCS/CTN 400*400*685mm 20 inch: 25PCS/CTN 400*400*685mm 30 inch: 25PCS/CTN 835*435*425mm 40 inch: 25PCS/CTN 1100*395*400mm