American Metal Products 4 in. Vent Pipe Hanger 4VPHH - The Home Depot
Amerivent® 4" B-Vent Wall Band at Menards®
1964-1975 Chevrolet Corvette Power Vent Drain Hose Clamp. - Auto Accessories of America
Dryer Vent Hose Clamps 4396008RP | Maytag
Vent Systems 6" inch Pipe Clamp with Rubber Gasket - Galvanized Steel Clamp - Pipe Hanger for ventilation Duct Connection to the Wall or Ceiling - Mounting Bracket Clamp for 6.3" Tube - Amazon.com