Hoover Windtunnel UH70210 T-Series extension Wand Part # 500170001 Black extension wand designed for various Hoover WindTunnel vacuums. This wand fits onto the hose and can be used alone or can attach to any accessories such as a crevice tool, turbo tool, or dusting brush. Designed for various Hoover WindTunnel vacuums. 1 Piece Black. Manufacturer Part Number: 500170001