Our old vacuum (an Oreck) wouldn't pick up the pet hair from our long-haired cat (who has more hair than ANY cat should be allowed to have). I was absolutely shocked at how much hair my Dyson Animal picked up with just one cleaning. The canister was almost full from just the downstairs. Amazing!!! I wish I had gotten this vacuum a long, long time ago. I am thrilled with it and highly recommend it to anyone who has pets, especially long-haired cats! I am in love with this "Animal."