Endura Flap Cat Door for Horizontal Sliding Windows

Durable aluminum and vinyl frames with heavy-duty, weather-resistant flaps 3/16" clear safety glass offers a clear view and lets in sunlight Quick, tool-free installation ideal for renters and homeowners Adjustable panel height (34" - 37") and custom options available Seamless integration: Removable panel with built-in cat door fits into horizontal sliding window tracks Sturdy construction: Aluminum and vinyl frames and weather-resistant flaps designed to withstand extreme conditions. You can also find the Endura Flap Cat Door for Windows in vinyl as well.  Energy efficiency: 3/16" clear safety glass enhances insulation, prevents drafts, and allows natural light to enter Hassle-free installation: Spring-loaded design ensures easy, secure installation without permanent alterations Security features: Comes with a C-clamp lock, draft stopper, and weather stripping for added protection Adaptable dimensions: The aluminum frame fits horizontal sliding windows with 1" track width and the vinyl frame fits 1-1/4" tracks; and offers custom size options Locking cover included: Prevent pets from leaving the house when desired Accommodates small dogs: Cat door opening (6"W x 11"H) is also suitable for small dogs that can fit comfortably Satisfied customers: Many have praised the product for its quality materials, easy installation, and effectiveness against drafts Versatile color options: Available in white, bronze, or brushed aluminum to match your window frame