Radio System/Staywell LRG WALL PET ENTRY DOOR

Give your pet the freedom they deserve. This double flap system insulates for energy efficiency. Durable aluminum pet door. Easy DIY kit complete with instructions. Telescoping tunnel allows for installation into walls 4.75" to 7.25" thick. Extension kit sold separately and available drop shipment only. Made in Mexico. No. PPA11-10915: Dimensions: 7.5" x 9.63" x 13.88", flap size: 5" x 7" No. PPA11-10916: Dimensions: 7.5" x 12.88" x 17.88", flap size: 8" x 11" No. PPA11-10917: Dimensions: 7.5" x 14.81" x 22", flap size: 10" x 15"