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Energy Efficient Pet Door

Amazon.com Price: $309.99 (as of 01/02/2023 20:35 PST- Details)

Dragon Sash Window Pet Door | Double Flap, White Frame| Large Flap (Pets Up to 18″ Tall), Window Width (34″ – 37″) | Includes Locking Cover | Energy Efficient, Sturdy, Low Cost.



The Dragon Pet Door for sliding sash windows allows you to enjoy quick installation and weather resistance at a low cost.

With seven height adjustment ranges, this Dragon window panel installs in sash windows of all sizes.

The simple, spring-loaded design allows for secure installation right into your window track; no tools needed.

This Dragon window sash features a two-piece double flap to keep the entire pet door opening sealed, allowing your pets to come and go while keeping your home insulated.


– Tool free and easy to install sash window panel takes minutes to install;
– Adjustable fit allows the Dragon panel to install in most standard width window frames;
– Two-piece flap for superior insulation and pet convenience;
– Made in the USA.


– Cost-effective materials and design saves money and time;
– Temporary installation perfect for renters and seasonal climates;
– ABS pet door frame and polyolefin flap materials are sturdy and built to last;
– Double flap option for winter climates and higher insulation.


FLAP SIZES; Flaps available in Medium (7.06″w x 13.06″h) or Large (9.3”’w x 16.56″h) with a 4” stepover to accommodate pets up to 16″ tall for medium and 19″ tall for large.

See thumbnail image for more information on measuring your pet.

TOOL-FREE INSTALLATION; The dragon sash has a spring-loaded side panel for an easy install in tracks at least 1” thick (thicker tracks may require shimming).

Medium flap sash requires the window to rise at least 22″ and Large flap sash requires the window to rise at least 26”.

Panels will not contract narrower than the lowest measurement, but you can trim 3/4″ off the right side flange.

IMPROVED INSULATION; The two-piece flap design coupled with a double flap option effectively doubles insulation value compared to similar flexible vinyl flaps.

Width ranges are determined by measuring from the widest point left to the widest point right.

COST-EFFECTIVE; With quality materials and superior engineering, the Dragon Pet Door for Windows is the ideal solution at an economical price.

Includes a sturdy thermoplastic locking cover to keep your pet safe and control their exit or entrance.

STURDY AND BUILT TO LAST; With a durable aluminum framing that comes in black or white, you don’t need to choose between aesthetics and utility; with the Dragon window pet door, you can have both.

Flexible, translucent flap easy for pets to use.

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