3 Candles Inch Swimming Pool Water Sand Filter

3 Candles Inch swimming pool Water sand FilterOur sand filter feature: 1.The cylinder Head Valve has 6 muti-function: Filtration,backwash, Rinse,Recirculation,Pollution discharge,Closed.2.The ciculating water up to 50 degree(122'F).3.Material:Glassf

Aqua Pond Pool Sand Filter Aquaculture Drum Filter

Aqua Pond Pool Sand Filter Aquaculture Drum FilterOur sand filter feature: 1.The cylinder Head Valve has 6 muti-function: Filtration,backwash, Rinse,Recirculation,Pollution discharge,Closed.2.The ciculating water up to 50 degree(122'F).3.Material:Gl