Size:35 Ft. Hose The 99506 is a 1. 375” X 35 foot crush proof vacuum hose designed for on off control of the central vacuum at the hose handle. The 360 degree gas pump grip is lightweight and perfectly balanced to reduce the effort of vacuuming. The universal wall end is designed for compatibility with industry standard wall inlets that use two low voltage contacts to permit on-off control of the vacuum. The 99506 is often paired with air turbine nozzles which use the air stream from your vacuum to turn an agitator on carpeted surfaces, with floor brushes, combination nozzles, and above the floor accessories like dusting tools, crevice tools, and upholstery tools. The 99506 is not for use with electric drive power nozzles It also is compatible with all major brands of central vacuum including Beam, Electrolux, Eureka, Nutone, Vacu-Flo, Vacumaid, MD, Cyclovac, Wal Vac, Honeywell, M&S, Canavac, Imperium, and Husky.