The ultimate in freedom and security for your dog Locking close-out panel secures pet when needed Fits doors from 3/8" to 2" thick Sturdy aluminum dog door means freedom for your pet and you. Can be secured with locking panel when youre gone. Soft transparent single flap with magnetic bottom strip ensures a tight seal against the elements. Easy to install. Fits standard 3/8" to 2" thick doors. Frame is solid aluminum for the ultimate in durability. Limited lifetime warranty. Replacement Flaps are also available. Sorry, ground service only on XL Dog Door.Aluminum Dog DoorSizeMax Pet WeightFlap OpeningDimensionsSmallUp to 15 lbs5-1/8" x 7-5/8"9-3/4" x 2-1/4" x 13-1/2"MediumUp to 40 lbs8-1/8" x 11-3/4"12-3/4" x 2-1/4" x 17-1/2"LargeUp to 100 lbs10-1/8" x 15-3/4"14-3/4" x 2-1/4" x 21-1/2"XLargeUp to 220 lbs13-5/8" x 23" 16-3/8" x 2-1/4" x 27-1/2"Please click on "More Information" for training instructions.

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