PetSafe Horizontal Window Pet Door Height Adjustment Range:43" - 46" and measure horizontally from the

and measure horizontally from the edge of the door track to the edge of your slider

this high tech collar is waterproof and designed with more durability than the MS-4

Heavy-duty aluminum tunnel keeps drafts out

Spring-loaded top piece allows for simple installation

PetSafe Horizontal Window Pet Door Height Adjustment Range:43" - 46" and measure horizontally from theCat door insert for sliding windows installs with spring loaded design Height is adjustable up to 3 inches to fit most horizontal sliding windows Corrosion resistant aluminum framing and plastic PetSafe pet door All Customs are final sales and cannot be returned. Please allow 3 4 weeks for custom models to be built and shipped. For Custom sizes we will need more information to complete your order. Your emailed Order Confirmation will have an Orange