To ensure your pet's safety, regularly check all kennel parts and doors for replacement. This Replacement Vaulted Kennel Door is designed specifically for the 40" Aspen Pet® Pet Porter®, Petmate® Vari Kennel®, Petmate Ultra Vari Kennel, and the Petmate Sky Kennel®. To ensure a proper fit, be sure to match your pet's kennel size with the appropriate product/item number for this replacement vaulted door.