Ideal Pet Designer Series Ruff Weather Door MD Grey 7.25 x 13

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" 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