Drops into a sliding window: Sits in the open half of a horizontal sliding window, no cutting, no drilling Three flap sizes: Small, medium, and large, sized for cats and small to mid-size dogs Track heights 33.5" to 60.5": Adjustable in 1.5" bands across the stock range, plus a custom-height option Black aluminum frame: Matches dark window frames and blends visually with the existing sash Made in USA, locking cover included: Built domestically and backed by a 3-year warranty The Liberty Pet Door for Black Horizontal Sliding Windows is a removable insert sized for horizontal sliding windows with a black frame. It pops into the open side of the window and the existing window slides closed against it. No permanent change to the home, which makes it renter-friendly.Aluminum frame in black, three flap sizes (small, medium, large), and stock track heights from 33.5" to 60.5" in 1.5" bands, with a custom-height option for non-standard openings. A locking cover ships with the panel. The flap is clear vinyl.Before ordering, measure the inside height of the window opening with the window all the way open, top rail to bottom rail. Pick a height range that brackets your measurement. If your window frame is white instead of black, use the white-frame version. For cat-only households, the cat-sized window panel is a smaller, less expensive option.Made in the USA and backed by a 3-year warranty. Easy DIY install.
