post carbon filter cartridge 1.good quality and reasonable price, 2.RO parts,post carbon 3.with coco carbon filter cartridge water filter cartridge1.Presice: 0.5~100um (nominal precise)2. Working temperature:<60°C3.Working differential pressure: <0.2mpa~0.5mpa(compression resistance)4.Flux:1T~2T/h (under 0.1mpa)5.Length: 10 post carbon filter cartridge