Seresto Flea and Tick Collar for Dogs, 8-Month Flea and Tick Collar for Large Dogs Over 18 Pounds

2-door model allows for easy loading of pets
Plenty of ventilation on sides, top and back of crate
Included screws can be used to attach top and bottom for additional security

Heavy-duty, slim profile frame with “built-in” telescoping tunnel to fit wall thickness of 4-1/4” to 9-1/4” – no separate wall kit or parts to buy! Extra Large features 9-3/4″ x 17” Flap Size (for dogs 36-90 lbs).
Installs easily into all types of interior and exterior walls including drywall, plaster, wood, aluminum or vinyl siding, stucco, brick and even concrete and includes all hardware, 3/16” masonry drill bit and cut-out template with easy to follow step-by-step instructions. Frame can be painted to match existing wall color.
Features two replaceable flexible vinyl flaps for maximum insulation and energy efficiency. An animal lock-out slide is provided for added insulation and control of your pet’s access.