Sell resin filter cartridge

resin filter cartridge
Features:
1) Easy to use
2) Super purifying function
3) Fits most water dispenser
4) No second pollution
5) Reduce impurities from tap water
6) Can be used for a long time, if you change the filter core regularly
Specifications:
1) lenth:10",20"
2) inner diameter:28mm,30mm
3) ounner diameter:51mm,55mm,60mm,63mm,100mm,115mm
4) filter cartridge: PP filter, string wound filter, activated carbon filter, resin filter, ceramic filter