Flaps are held in place with magnets to keep bad weather from coming in. Three-flap design saves energy during colder seasons. Easy for dogs to push through. Flaps are weather-resistant.
Can be hard to install on certain types of doors.
The frame is built from heavy-duty plastic that can withstand all elements. The flap is easy for dogs to move through. Has a lockout slide to ensure dogs stay when needed.
Instructions for installation can be hard to follow.
A telescoping tunnel allows installation on any door regardless of width. The metal frame is durable against the weather. Double-flap design helps keep cooler temperatures out.
Flaps can sometimes get caught, causing them to stay open.
Can fit most sliding door frames. Easy to install and take anywhere that you may need. Allows for sliding door to still lock even when dog door is in use. Flap can be kept in place if needed.
Isn't the best if you need something that is insulated.
It comes in two sizes: the medium size is 8.25 by 10 inches and the large size is 12.25 by 16 inches. It has 4-way access control so you can pick between in only, out only, in or out, or shut it off entirely. Easy installation.
Some issues with the door getting stuck and the sensor being either too sensitive or not sensitive enough.
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