Henan Kelandi Filter Technology Co., Ltd.offer all kinds of water filter cartridges for distributors, dealers and OEMs. Our water filter cartridges include a wide range of multi folding filter cartridgespoolspa filter cartridge, standard filter cartridge, big blue filter cartridges, hurricane filter cartridge, activated carbon filter cartridge, PP melt blown filter cartridge, string wound filter cartridge, capsule filter cartridge, PP micro pleated filter cartridge, membrane pleated filter cartridges, resin impregnated cellulose filter cartridge,and some other swimming pool supplies.