Living in a tiny house, the idea of a cat litter tray doesn't appeal. So a cat flap is vital. The Cat Mate Electromagnet flap works well on most levels - the cats find it easy to use, it has various locking levels so you can keep the cats in, keep them out, set it so that next time they come in, they are then trapped inside. It's selling point is that, because of the magnet on the collar, only your cats can come in. The biggest problem I have found is that the flap doesn't always close properly after them, effectively leaving it open for any cat to come in - which for me resulted in a smelly ...
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