The one piece replacement insert from PlexiDor Performance Dog Doors provides your dog easy access to the outdoors. Safety tempered shatter proof clear glass insert replaces the glass insert in a 32 in., 34 in. or 36 in. x 96 in. single French Door or either side of a 64 in., 68 in. or 72 in. x 96 in. double French Doors. The insert includes a factory installed PlexiDor Dog Door which can accommodate most dogs weighing 40 to 100 lbs. Dog must be able to step over 8 in. to 10 in. height. Ideal for Golden Retriever, Collie, Labrador, German Shepherd, Doberman, Pointer and Boxer. PlexiDor's exclusive K9 composite thermopane panels are saloon style and do not require costly replacement flaps. The four edges of both panels are equipped with high density industrial nylon pile weather seal. This design produces the highest level of energy efficiency compared to any pet door on the market. The design keeps heating and cooling inside your home. Installing a PlexiDor Dog Door will save you money. Homeowners have reported their energy bills decreased 10% annually after installing a PlexiDor. Added security features include a cylinder lock, two keys and a steel security plate. The PlexiDor can be locked nightly and the steel security plate can be attached while you're away. The hardened aluminum powder coated white frame is durable and scratch resistant, PlexiDor Performance Dog Doors come with a 10 year warranty. The French Door replacement insert comes with a 5 year limited warranty.