Pet Door Products is your pet door solution for vinyl sliding glass doors. We are an exclusive pet door manufacturer in the USA, specializing in our pet door conversion system for your vinyl patio door. Replace your existing vinyl sliding glass door unit with one that has a dog door or cat door built right into it. Give your pet the freedom they deserve! Our pet door products are made by us right here in the United States. All of our products are manufactured with top quality standards, from the vinyl to the glass to the pet door flap system itself. And if you ever have questions about your products or need assistance, our highly attentive customer services team is ready to help. We believe in nothing but the best for you and your pet!