Window Cat Door, Adjustable 889–1016 mm, 4-Way Lock

Cat door for window delivers secure, weather-conscious in-and-out access without drilling, so your cat can move freely while your home stays cleaner and more comfortable. The adjustable frame fits window widths 889–1016 mm (35–40 in) for a snug, stable install. A magnetic, self-closing flap with brush edging helps reduce drafts and debris, while the aluminum-and-glass construction keeps a tidy look in the window track.

• Fits window widths 889–1016 mm (35–40 in) with a 5 in adjustable range for a tighter, more stable setup.


• Delivers 4 lock modes: in-only, out-only, two-way, or fully locked to match your routine and indoor rules.


• Seals with a magnetic, self-closing flap and brush-lined edge to help block drafts, dust, and light rain.


• Installs tool-free—place in the window track and tighten the knobs for a clean, no-drill fit.


• Supports daily use with an aluminum alloy frame and high-transparency, scratch-resistant flap for clear visibility.

Designed for cat owners who want a quick-fit window pet door without permanent changes, this low-profile insert keeps access simple and control in your hands. Measure your cat and your window frame before ordering, then choose the fit that leaves comfortable clearance for shoulders and chest. Once installed, switch lock modes as needed for nighttime, training, or indoor-only days. Grab yours today and make window access easier for both you and your cat.

• Color: White


• Materials: Aluminum alloy + glass


• Product dimensions: 40.0 x 15.3 x 1.6 in (1016 x 388 x 40 mm)


• Adjustable length: 5 in (fits 35–40 in / 889–1016 mm window width)


• Pet flap opening: 7.6 x 10.3 in (192 x 262 mm)


• Weight: 8.8 lb (4.0 kg)