Broan-NuTone 30' Central Vacuum Systems Current Carrying Hose CH520

30 ft warm grey 1-3/8 in inner hose diameter Sleek ergonomic handle styling Soft touch grip handle with full 360 swivel Improved vacuum release Easy to use thumb slide three position switch 6 ft pigtail for connecting to 120 VAC UL and CUL recognized Patent Pending Universal Hose End Note 1 Hose is basically the same as the CH510 except for the new handle design 2 CH520 will super cede and replace the CH510///-Appliances/Vacuums/Nutone/CentralVacuumSystems/Hoses