Vacuum Cleaner Hose Parts and Central Vacuum Hoses Parts, plastiflex, centec, beam, electrolux, eureka, hose handle

Swivel air ring for central vacuum hose. Blocks or releases air to increase or decrease suction power of the central vacuum system. Helps central vacuum brushes to glide more easily on the floor with high suction units or when vacuuming and cleaning curtains for example.