Photo 1 of 3-Flap Large Dog Door Replacement Insulated Flap with Clamp, Back Plate and Screws, Compatible with Large PetSafe Extreme Weather Aluminum Pet Door, PAC11-11039 10 1/8" X 16 7/8" (Smoky Translucent)

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Photo 1 of 3-Flap Large Dog Door Replacement Insulated Flap with Clamp, Back Plate and Screws, Compatible with Large PetSafe Extreme Weather Aluminum Pet Door, PAC11-11039 10 1/8" X 16 7/8" (Smoky Translucent)Photo 2 of 3-Flap Large Dog Door Replacement Insulated Flap with Clamp, Back Plate and Screws, Compatible with Large PetSafe Extreme Weather Aluminum Pet Door, PAC11-11039 10 1/8" X 16 7/8" (Smoky Translucent)