Broan-NuTone CA130 Central Vacuum Hose Sock with Assembly Tube which Fits 30 to 32-Foot Hoses
A hose sock can help prevent scratching corners of walls and marking furniture as you move from room to room while vacuuming. Easy to install and use, just fit sock over tube end, slide entire sock onto tube, feed nozzle end through tube, slide sock off tube onto hose, tie at handle, and then slide sock off of tube to cover remainder of the hose.