Specifications 1.Firberglass and Resin sand filter
2.20 years manufacturing swimming pool for sand filter
3 Durable sand filter
1. 20 years manufacturer for Sand Filter 2. Quality Guaranteed ! 100% leakage test for sand filter tank ! 100% pressure test for completed sand filter ! 100% Valve test 3. NSF Internatinal Standard Sand Filter 4. Normal Working Pressure 250 KPA , Max Woring Pressure 400 KPA . Luxe Type : 400KPA Normal Working Pressure , 600KPA Max Working Pressure . Factory Burst Test Presure 800 KPA !!! 5. 15 Years Life Time !!! 1 Year Warranty !!! 6. UV-resistant Sand Filter