Similar Hoses: If the hose on your Bagless Hoover WindTunnel has a groove into which the latch ring on the vacuum inlet locks, you need the #43434073 on-board or extension hose instead of this one. If you have a Hoover Windtunnel which uses paper bags, then you need the #43434031 instead of this one. To extend the total reach of your WindTunnel to 20' for stairs and reaching into areas where your vacuum can't go, order the Extra Long Bagless WindTunnel Hose #43434043. For similar products see our list of current Hoover Vacuum Accessories. View Larger Image