... ,full sizes 4.Fast delivery Product:Filter for check valve,stainless sleeve filterSpecifications:1.Stainless sleeve:302,304,etc2.Size:3/ ... 6MPa4.Working temperature: -20°c~120°c5.Working medium:Water,oil6.Certificate:ISO9001,CEBrief description about our company: Zhejiang ... and sale of water supply and heating parts and accessories.The production contains brass manifold,ball valve,filter,check valve, ...