Watch the ultimate 21st-century vacuum cleaner pick up hidden dirt that is illuminated by a special black light. You can’t see this dirt with the naked eye. Try these vacuum cleaners risk-free for 30 days, and you’ll receive a $130 cordless steam iron just for taking the Oreck Challenge. Also receive the $200 powerful compact canister vacuum free as well as 21 free yearly tune-ups. Everything ships to your door free, and if you don’t wish to keep the XL21 vacuum cleaner for whatever reason, Oreck pays to ship it back. You keep the iron. This is a win-win offer that the other vacuum companies simply can’t make.