I'm not very impressed with the design, but there's a guy who offers a way to convert Kirbys from bag to dirt canister. Unfortunately, it doesn't offer dual cyclone or better technology. It looks like you clean the pleated filter after every use. I think I'd rather pay for bags than this gimmick.
http://www.kirbybagsneveragain.com/
The smart tyrant writes his own story to ensure that it is favorable. The lazy will repeat lines from the book without fact checking.
