If you find that installing a pet door is a hassle, or you rent and don’t want to install a permanent dog or cat door, the Endura Flap Thermo Panel fits into the inside track of your sliding glass door without tools!<br><br>AT ENDURA FLAP PET DOORS - WE’RE SERIOUS ABOUT QUALITY!<br><br>This one is amazing. The doggie or kittie door comes complete with a patio panel that makes fitting a breeze and you can remove it and no one will know it was there. Here’s how Endura Flaps make the difference… <br><br>Extra Large size dog-flap suitable for Large to Extra Large breed dogs<br>Heavy-gauge aluminium frame for strength<br>Dual pane, LoE glass for added energy efficiency<br>Award winning magnetic tight seal flap for weather protection<br>Adjust magnet strength to help train unsure pups and cats<br>Tool-free installation into a sliding glass door or patio panel<br>Flaps are made from eco-friendly materials; entire pet door is guaranteed for 15 years<br>Made and designed in the USA so you can be sure of high standards - with free delivery within the US<br>Comes with Locking Cover, Draft Stopper, Weather Stripping and Installation Instructions.<br><br>Adjustment range suits sliders between 77 1/4" - 80 1/4"<br>Silver color matches up with brushed aluminum colored sliders or trim<br><br>WHAT? IT REALLY NEEDS NO TOOLS TO FIT? That’s right, simply insert the panel into the inside track of your sliding door and job done, you now have a fantastic pet door.<br><br>DOES IT SEAL TIGHT? Yes, Endura Flaps has won awards for its airtight doggy doors and the 3e model is no exception. Being fully insulated and tightly sealed, it can keep the weather out even when it gets extreme.<br><br>Buy with confidence, you're covered by our 100% Money Back No-Fuss Guarantee, no questions asked.<br><br>Click Add to Cart now for the best sliding glass door pet door panel.