The Ruff-Weather Pet Door was designed to handle all types of climate conditions, while boasting great energy efficiency, thanks to this doorÕs double flap feature! Structural foam plastic frame that adapts to doors ranging from 3/4" to 1-3/4" in thickness. Double, flexible clear vinyl flaps create a 3 inch air pocket for maximum insulation and energy efficiency. Optional Ruff Weather Pet Door Wall Kit is designed for installation in walls from 4-3/4" to 7-1/4" thickness, sold separately.

Features:

• For pets 13 - 35 lbs.
• Flap size 7.25" x 13"
• Cutout size 8.375" x 15"
• Door thickness range 0.75" - 1.75"
• Wall kit thickness range 4.75" - 7.25" - sold separately