Parker Sanitary Tube Fitting, 316L Stainless Steel, Concentric Reducer, 1-1/2" Tube OD x 1.0" Tube OD Concentric reducer allows a change in pipe size to meethydraulicflow requirements of existing piping system Fitting connects to tubing on both ends Type 316L stainless steel for strength and greater ease in welding than 304-grade steel Operating temperatures range from -425 to 1200 degrees F Meets specification ASTM A269 for quality assurance