Repair Clamp: For 3 in Pipe, 12 in Overall Lg, 304 Stainless Steel wire brushed for timeworn appeal wire brushed for timeworn appeal This reduction in gloss eliminates "hot spots" while projecting 12 in Overall Lg Brand SMITH BLAIR Bolt Material Steel Gasket Material Nitrile Rubber For Pipe Size 3 in Maximum Operating Pressure 150 psi Maximum Vacuum Pressure 10 psi Overall Length 12 in Outlet Connection No Minimum Operating Temperature 20 °F Maximum Operating Temperature 180 °F Standards NSF 61 Product Type Partial Coverage Clamp Gasket Coverage Partial Coverage Number of Bolts 4 For Maximum Copper Tube Size 3 in For Minimum Copper Tube Size 2 in Features Drop In Bolts