Polymer Dog Door Medium

Great for storm doors Closing panel secures pet when needed Fits standard 1/16" to 1.75" thick doors Economical alternative to the FreedomAluminum Dog Door. Frameis sturdy polymer. Soft transparent singleflap with magnetic bottom strip ensures atight seal. Closing panel. Easy to install.Fits standard 1/16" to 1.75" thick doors.Limited lifetime warranty. ReplacementFlaps sold separately. Sorry, ground service only on XL.Polymer Dog DoorSizeMax Pet WeightFlap OpeningDimensionsSmallUp to 15 lbs5-1/8" x 7-5/8"8-3/4" x 1.875" x 13-1/4"MediumUp to 40 lbs8-1/8" x 11-3/4"11.875" x 1.875" x 17-3/4"LargeUp to 100 lbs10-1/8" x 15-3/4"14" x 2" x 22.375"XLargeUp to 220 lbs13-5/8" x 23" 17.375" x 2" x 30"Please click on "More Information" for training instructions.