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Give your big furry friend the freedom to come and go with this heavy-duty extra large aluminum pet door.

The opening is a generous 16 inches by 21 inches, suitable for larger breeds up to about 115 pounds.

It's built with a high-grade aluminum alloy frame and double panels that automatically close via a magnetic seal, helping to keep the weather out.

It can fit walls or doors with a thickness between 1.3 and 2.5 inches.

It comes as a single unit, ready to install.

The model number is 16X21YCTHWCWM.




4 out of 5