Free delivery and returns on eligible orders. Buy PetSafe Dog and Cat Door Replacement Flap, X-Large, 13 5/8' x 24 3/8', PAC11-11040, Tinted Vinyl, Magnetic . Find many great new & used options and get the best deals for PetSafe Pet Door Replacement Flap Extra-large Pac11-11040 at the best online prices at eBay! Home » Cat Flaps » Petsafe / Staywell Cat Flaps » Staywell Aluminium Pet Doors » Petsafe / Staywell 660 Replacement Flap - PAC11-11040 X-Large . Find the right replacement door flap for your PetSafe, Staywell, Johnson, or Tuffi pet door. . SKUs: PAC11-11037, PAC11-11038, PAC11-11039, PAC11-11040. Staywell® 600 Series Replacement Flap. GRP-RF view all SKUs. PAC11-11037, PAC11-11040, PAC11-11039, PAC11-11038 . Each pet door needs a flap in order to protect your cat or dogs from the bad weather and their enemies. The soft smoked vinyl flap has a weather-tight seal. Soft . Results 1 - 10 of 10 - Get the best deal for PetSafe Cat Replacement Flaps from the largest online selection at eBay.com. Browse your favorite . 8.93. From United Kingdom PetSafe PAC11-11040 Replacement Flap Extra Large 2-Pack. Amazon.com : PetSafe Dog and Cat Door Replacement Flap, X-Large, 13 5/8' x 24 3/8', PAC11-11040, Tinted Vinyl, Magnetic : Pet Doors : Pet Supplies. Brand: Petsafe Staywell; Product Code: PAC11-11040; Availability: Out Of Stock. Qty . Replacement Flexible Flap for Staywell 660 Pet Doors - Extra Large With .