Cen-Tec Systems 64477 Black 50 Foot Vacuum Hose with 1.5 Inch Diameter 50 full feet of length This 1.5 inch diameter hose accepts threaded cuffs and bent Ends, allowing it work with a variety of vacuums Immediately compatible with commercial vacuums such as backpack vacuums and canister vacuums The 64477 has maximum flexibility, yet is Still strong enough for commercial environments Can be refit with 1.25 inch cuffs to work with central vacuum systems