The Liberty Pet Door for Black Sash Windows provides a sleek, weather-tight pet opening designed specifically for vertical sash windows. Built with single-pane safety glass and a durable black aluminum frame, it offers effortless pet access while maintaining home insulation and security.

Sleek Black Aluminum Frame
Crafted with a heavy-duty extruded aluminum frame in a black finish, this panel seamlessly matches modern dark window frames while delivering long-lasting structural strength. Fits sash window tracks at least 1" wide.

Adjustable Sash Window Fit
Designed for window openings ranging from 20" to 44-1/2" wide, the panel features up to 3-1/2" of built-in spring-loaded height adjustment to ensure a tight, draft-free seal without requiring permanent modifications to your window frame.

Energy-Efficient Safety Glass
Outfitted with single-pane safety glass, the insert insulates your home against moderate four-season weather extremes while preserving natural light and outdoor views.

All-Weather Magnetic Flap
The clear vinyl pet flap utilizes magnetic closure strips and weatherstripping to prevent wind gusts and cold drafts from entering your home.

Top-Loading Security Cover
Includes a durable top-loading locking cover made from molded ABS plastic, allowing you to quickly secure the door and manage pet access as needed.