When I got my Dyson and used it for the first time I was truly shocked at how much stuff it sucked up out of the carpet. I vacuum daily as I have 5 large house dogs and a long coated manx. I thought my carpet was reasonably clean till I used that Dyson. I filled the canister the first time and then had to fill and empty it 4 more times before stuff quit coming off thr carpet. After I got done the carpets almost looked like they had been shampooed. I use it daily still and I still get a canister full everyday no matter how clean the carpets looks. The Dyson is a seriously good vaccum.