PetSafe Medium Wall Entry Pet Dog Door PPA11-10916. The PetSafe Medium Wall Dog Door gives your Dog the freedom he deserves. The Medium Wall Pet Door is designed especially for Wall Installation and is what you have been looking for! The telescoping tunnel accommodates 4 3/4" to 7 1/4" thick walls! Place it anywhere you have a clear inside and outside wall area, from the garage, kitchen, mudroom, anywhere! The Dual Flap design (one inside and one outside) makes for a well insulated barrier between the outdoors and your indoor room. The Wall Dog Door can be used in a variety of wall materials including all types of siding, stucco, even brick. Installation requires only a few tools. The Medium Wall Pet Door from PetSafe has a lifetime limited warranty.

PetSafe Medium Wall Pet Door Specs:

• Easy to install, do-it-yourself dog door for your wall - Inside or Outside!
• Telescoping tunnel to accommodate both 2"x 4" and 2"x 6" construction
• Double flap construction ensures excellent insulation
• Aluminum frame with durable plastic tunnel extension
• Fits walls 4 3/4" to 7 1/4" (12 cm - 18 cm) thick
• Dimensions - 12 3/4" x 17 1/2" (32.4 cm x 44.5 cm)
• Great for pets up to 40 lbs (18 kg)
• The flap opening - 8" x 11"