Hose has the addition of a BUTTON LOCK ON THE METAL TUBE that comes out of the hose handle. Crushproof, lightweight, 360-degree swivel central vacuum hose with on/off switch for the suction. A great central vacuum cleaner replacement hose for everyone who uses an air driven non-electric power brush such as all models of TurboCat, TL2000, and T210. Compatible with vacuum wall valves with two small low voltage metal contacts inside the 1.5 inch (or so) diameter hole. Use with Chrome Extension Tube Wands. ATTN VACUFLO: The hose end doesn"t have two metal valve pins - call us for options.