Right now there are 160 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Pet Supplies › Dogs › Doors, Gates & Ramps › Doors. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: PetSafe, Ideal Pet Products, VEVOR, baboni, Hakuna Pets, CAT, Ownpets, Amazon Basics. Every item is a one-off, so the stock moves all day and new deals keep arriving.