Endura Flap Cat Door for Horizontal Sliding Windows Height Adjustment Range:56" - 59.5" If it is the Standard

If it is the Standard Glass Type

Secure locking cover and SlideLock for added security

The Watchdog security cover is designed for your confidence and ease of mind

making them better approached as custom-fit scenarios

Endura Flap Cat Door for Horizontal Sliding Windows Height Adjustment Range:56" - 59.5" If it is the StandardThis insert is made specifically for horizontal sliding windows, creating a clean, integrated way to add a pet door without cutting into your home. It sits within the track, allowing your window to retain its original structure and appearance. Quick Setup No CommitmentThe spring loaded design uses pressure within the track to hold the panel in place, allowing for fast installation and easy removal. This makes it a practical option for renters or