filter cartridge 1.corrosion resistance 2.rust resistance 3.portability 4.high ... 1,3 level. Flow 10'' PP cartridge flow:0.5~0.7T/Hfolding 10'' PP cartridge 0.3~0.5T/H20'' PP ... cartridge 1~1.4T/HOur business lineFRP tank ... filter, RO and UF membrane housing, RO system, Accessories(valve, distributor, tank head, etc.) We have 7 years OEM Experience, with ...