This is a Reconditioned genuine Rainbow Wheel Dolly (complete with all its wheels). Made to Fit all Models of the Rainbow E series vacuum. Perfect replacement dolly to restore the easy maneuverability and convenience to your Rainbow Vacuum. Genuine Rainbow parts are made of high quality material and are built to last. This dolly will not fit the D3, D4, SE, or PN2 models. Every Rainbow item reconditioned by GV is cleaned, sanitized and fully inspected to be in perfect working order by a GV vacuum expert. GV is in no way related or incorporated with the Rexair Company.