MaxFreedom Aluminum Large Pet Door 17.5" x 27.7" with Security Lock

[Universal Door]

This aluminum pet door is universal for dogs and cats, with free two-way pet entry and exit, large widened access for easy and convenient pet access. It’s suitable for all kinds of doors and walls.

[Door Dimension]

The large dog door frame size is 17.5 (W) x 27 2/3(H). Flap opening is 14.4(W) x 24.5(H). Cutout size in door/wall: 14.6(W) x 25(H). It fits doors or walls over 1.25 inches thick; there is no limit to the maximum thickness, and it is suitable for pets up to 220 pounds.

[Easy to install]

This pet door is easy to install on all types of doors. It comes with a cutting template installation instruction and mounting hardware to make installation simple and easy to complete. If you have questions about the installation or the product, please do not hesitate to contact us.

[Ingenious Details]

The doggy door comes with a durable aluminum slide-in panel security sliding lock design. These can keep you and your family safe at night or when you are not home by keeping other animals out of the house. Weatherproof magnetic closure and two UV-resistant flaps suitable for different climates and provide energy efficiency. This dog door can give your pets free access. It allows your pet to go out independently and simplifies your life as a pet owner.