Ensure your pet is well sheltered by purchasing the quality dog box parts offered by Dogboxparts, located in Minnesota. We carry a large assortment of dog doors, dog door louvers, popup vents, spinner vents, fans, door handles, etc and other components needed for your dog box. For more than 10 years, our company is set apart by providing high-quality products. We provide on-time delivery of our components, and are proud to offer parts that no other company carries. Components used on portable dog boxes, trailers, toppers and chassis. In need of a custom built door, we can help...call or email us today!! Please note: Louver shipments are 5-9 business days.