Amazon.com : Ware Manufacturing Chew Proof High Rise Pet Cage for Small Pets : Pet Cages : Pet Supplies
Update from yesterday— had to rig an old (hideously small) hamster cage as a cage topper until I find a nice 20H topper. Definitely not ideal, but it'll do for now... I
Hamster cage topper with 10 gallon tank included. for Sale in Ontario, CA - OfferUp