Cen-Tec Systems 68206 Commercial Vacuum Hose Excellent 'jack of all trades' hose for almost any commercial cleaning environment Compatible with all standard backpack vacuums and dry canister vacuums The 50 Feet of length on the hose insures the ability to reach any tough to get to spot The inner diameter of the hose is 1.50", while the outer diameter is 1.825". The hose ends are designed to work with 1.50" attachment tools This package includes 10 hose cuffs, allowing the ability to cut the hose to the length you need and outfit it with cuffs to work with your other attachments