Ideal Ruff Weather Dog Door Gray X-large 5.75 L X 19.94 W X 21

This can be used for walls from 4-3 4 to 7-1 4 thickness. This unit has a foam plastic frame that works well for doors that range from 3 4 to 1-3 4 in thickness. Another key feature is that it s energy efficient. The flexible and clear vinyl flaps create a 3 air pocket that provides insulation reducing the demand for extra power. It also has a double flap feature that allows it to handle all types of climate conditions. The pet door was built to handle lots of use to make sure it can last for a long time. Brand: Ideal Pet Products Size: [XL]

This can be used for walls from 4-3 4 to 7-1 4 thickness. This unit has a foam plastic frame that works well for doors...show more