• Replaces the original dual-pane glass in your French door with a stock-size dual-pane glass kit that has an Endura Flap dog door built in
• Utilizes existing door frame and lock, available in four standard glass sizes with two coating options
  
• Insulated and weather-resistant Endura Flap withstands winds up to 50 mph and temperatures as low as -40℉
• Available in Medium, Large, and Extra Large flap sizes: suitable for larger dogs with an 8" to 10" step-over height
• Comes with a new trim kit frame and single-piece safety-tempered, shatterproof glass
• Item only available in the lower 48 United States
• This is a custom product, all orders are final, no returns

• Innovative design: transform your existing French door into a functional pet entryway with this glass insert
  
• Preserve your door's security: the glass insert allows you to maintain the original door frame and lock for maximum safety
• Made with Endura Flap Pet Door: built-in pet door provides insulation and resists winds up to 50 mph, ensuring your home stays energy efficient
• Durable and flexible flap: made of polyolefin polymer, the flap remains flexible in extreme cold and won't warp in the sun
• Versatile sizing: choose from Medium, Large, or Extra Large flap sizes for the perfect fit for your pet
• Low E glass coating option: select clear or Low E coating for enhanced energy efficiency and insulation
• White aluminum frame: factory-installed pet door seamlessly integrates with your French door's design
• Quick installation: includes a new trim kit frame and single-piece replacement insert, making installation a breeze (glazier recommended)
• Limited lifetime pet door warranty: receive a 5-year glass insert limited warranty for peace of mind
• Locking cover included: secure your home while you're away with the sturdy locking cover
• Suitable for single or double French doors: installs easily into a single French door or either side of a double French door
• USA-made flap material: easy to clean and designed to last, ensuring the best quality for your pet's entryway
• How to select door size: measure the outside frame dimensions of your French door to choose the corresponding insert size

How to Select Replacement Insert Size:

• In order to determine the replacement insert size needed, measure the outside frame dimensions of the glass in your French door and select the corresponding door size.

Warning: Thermo-Tru brand sliding glass doors require a specialized glazier for installation. Make sure you do not have a Therma-Tru pet door before purchasing.