Heavy Duty Dog Door for Wall

Key Features (as per product description):

• Wall-only installation—gives your pet independent in/out access

• Double magnetic flaps plus two sliding lock panels for excellent weatherproofing and energy efficiency

• Durable aluminum alloy frame with integrated telescoping tunnel (great for varying wall thicknesses)

• Priced around $379.90—premium but packed with features

Product Specs & Context

According to BuildingSupplyStore.org, this Decormax Heavy Duty Dog Door for Wall in black, Large includes:

• Telescopic tunnel, double flaps, and two sliding lock panels for protection against extreme weather and energy efficiency

• Aluminum alloy construction, easy to install with included cutting template and instructions

• Wall thickness compatibility: approximately 3.9" to 7.875"

• Outer frame dimensions: ~20⅓" × 14⅓"; flap opening: ~16½" × 11" (suitable for dogs under ~110 lbs)
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