About this item
- Energy efficient structural foam molded plastic
- Works with walls ranging in thickness from 4.75 to 7.25 inches
- Nylon for draft restrictor, Innovative Double Vinyl Flap design creates energy efficient air pocket for maximum insulation
- For Use With Designer Series Ruff Weather Pet Doors ONLY; Designer Series Ruff Weather Pet Door sold separately
- Large Size: 9.75″ x 17″ Flap Size
- Need Assistance? E-mail Ideal Pet Products expert US-based customer care specialists seven days a week!