The Ruff Weather Protector Series Pet Doors are one of our best selling pet doors. Designed to provide an insulating barrier for hot or cold environments by using a dual flap pet opening at an economical price. The Ruff Weather Door Mount will fit doors that are 1 1/4" to 1 3/4" thick. The frame is a heavy duty thermoplastic that has an approximate 2" profile. The security locking panel can be used on either the interior or the exterior side of the pet door.

Note: The Protector Series Ruff Weather Pet Doors offer a tamper activated locking panel alarm. 
Adds another level of security to your pet door.  Great feature for parents with young children.