If you live in an area with an extreme climate, you'll love this dog door. Our 3-flap dog door keeps extreme hot and cold weather out of your home while giving your dog the freedom to come and go. This well-designed door has a maximum energy efficiency that's 3-1/2 times higher than our standard single-flap dog doors.

Product Features

• 3-flap system offers protection from extreme heat, cold, drafts, insects, or driving rain
• Maximum energy efficiency is 3.5 times higher than our single-flap dog doors
• Color: White
• Snap-on weather cover for added insulation
• Fits door thickness 1 1/2" to 2"
• Dimensions - 12 5/8" x 20"
• Flap Opening - 10 1/8" x 15 3/4"
• Great for dogs up to 100lbs
• Durable plastic frame