URSPET Large Dog Door for Door, 3-Flap Insulated, Steel Frame, Black — Open-Box, 12% Off

3-FLAP EXTREME WEATHER PROTECTION – Two magnetic outer flaps and an insulated center layer help reduce drafts, wind, rain, snow, insects, and outdoor temperature transfer, supporting a more comfortable and energy-efficient home throughout the year.

HEAVY DUTY STEEL FRAME – Built with a rigid steel outer frame for enhanced stability and impact resistance. Designed to resist bending and withstand repeated daily use by active large dogs and multi-pet households.

COMPATIBLE WITH PETSAFE EXTREME WEATHER CUTOUTS – Fits compatible large door cutout openings approximately 11.2 in W × 18.1 in H, helping replace an existing pet door without enlarging the original opening. Please measure before purchase.

PETSAFE-COMPATIBLE REPLACEMENT FLAPS – Designed around compatible PetSafe Extreme Weather large flap dimensions and URSPET replacement flaps, making future maintenance easier without replacing the entire pet door. Verify flap dimensions before ordering.

FITS 1.7–2.4 IN DOORS – The adjustable telescoping tunnel fits common wood, PVC, metal, interior, and exterior doors within the stated thickness range. Includes template, mounting hardware, screws, and instructions. The integrated lock handle helps control pet access from either side.

Give your pet independent backyard access through an exterior door while helping protect your home from drafts and weather. The URSPET Large Dog Door for Door uses a steel frame, triple-flap magnetic sealing, and a lockable panel for daily use with pets up to 100 lb. It fits exterior doors from 1.7" to 2.4" thick. The opening is compatible with common PetSafe-style door cutout dimensions around 11.2" W x 18.1" H; measure your existing opening, door thickness, and pet size before purchase.