Bayer Seresto Flea and Tick Collar for Cats Waste Management This cat door offers the

This cat door offers the same convenient access settings as PetSafe's 4-Way Locking Cat Door: open

Use as a sleeper or carrier

but it is also hollow

25 inch total height when assembled

washable cover

Bayer Seresto Flea and Tick Collar for Cats Waste Management This cat door offers theThe Seresto collar offers the performance of a topical with the non greasy convenience of an easy to use collar. Its sustained release technology means that the active ingredients are slowly and continuously released over 8 months. Kills fleas and continues to prevent re infestations for up to 8 months. The Seresto collar also repels and kills ticks. The Seresto collar is also water resistant and remains effective following monthly bathing, occasional