Vertical Cat Door For Sliding Window - Resizable, Fits 16-36 Inch Windows - Easy Install, No Hardware Needed

This is a cat door (patent-pending) that expands to fit the height of your sliding window! It can fit windows between 16 and 36 inches high. The size of the opening that the cat passes through is 7 inches wide by 7 3/4” inches tall.

Navigate to this youtube video to see how to easily install the cat door!
https://youtu.be/BRNwTGM4hi8

I would also check out the instructional video for my horizontal cat door as it has more detailed information about the swinging door parts and well as how to remove the panel segments for fitting in smaller windows.
https://youtu.be/VC6UhhtO_R0

Is your window taller than 36 inches? I now I sell 8-inch extension panels! Here are links to listings for 1, 2, or 3 extension panels:
https://www.etsy.com/be/listing/4318245724/one-8-inch-extension-panel-for
https://www.etsy.com/be/listing/4335081223/two-8-inch-extension-panels-for
https://www.etsy.com/be/listing/4335081339/three-8-inch-extension-panels-for

The side of the door is printed with a soft and flexible material that allows for a better seal between the door and window. It also helps to secure the door in place and prevent shaking.

The swinging door has a 4x4 inch clear acrylic window and two sliding locks for prevent the door from swinging in or out. The bottom of the swinging door also has a magnet to help hold the door in place when it is unlocked.

To be able to fit the door in windows between 16 and 23 inches high, you need to remove a segment from each of the sliding panels (see second youtube video).

Each door comes with a lock for the sliding panels (see first youtube video). IT IS IMPORTANT TO USE THE LOCK TO PREVENT THE PANELS FROM SLIDING DOWN.

The doors are 3D printed with PLA filament and well as TPU filament for the side padding.