sh hole will be .6. The filter basket is renewable, when basket strainer was used for a long time, the filter basket can be replaced, no need to buy a brand new basket strainer.Specifications 1: Body material : ductile iron, grey iron, carbon steel, stainless steel, titanium alloy2: screen (mesh) material : 304 S.S, 316 S.S, 316L, Alloy steel3: Ball valves on the connection : stainless steel4: Connection : flange 5: Flange size : ANSI B16.5 6: Pressure : Class 150 ~ Class 3007: Size range :1'' ~