McMaster 32625T36 Strut Mount Vibration Damping Routing Clamp with TPE Rubber Cushion, Zinc Plated Steel, 3 1 2" ID, for 3 Pipe Size, 3600 lb G416065003 The Proto J5460 Socket Extension The Proto J5460 Socket Extension is designed for ease and efficiency Range 140 Degrees F Fitting Side A Gender Female Clamp Material 300 Stainless Steel Application Non Potable Water Includes Clamp Yes Number of Clamps included 2 Color Black Fitting Side B Gender Female Fitting Shape Coupling Includes Shield No Clamp Type Interlocked Worm Gear Maximum Operating Pressure 4 These are a good choice for spaces that could spread smoke through your HVAC system Absorb shock and muffle noise from rattling pipes