Today only, get the Hoover WindTunnel 3 Pro Pet Bagless Upright Vacuum for only $74.99 (regularly $139)!  Exclusive WindTunnel 3 Technology creates three channels of suction to lift and remove surface debris and deep down embedded dirt. Vacuums without WindTunnel Technology rely on only one channel of suction.If the unit is clogged or has a dirty filter the unit will shut down Regularly rinse the reusable