6" X 6" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 7" Width X 7" Height] 12" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 42 5/8" width X 22 5/8" height -

this model allows for mounting without removing the thermostat

+ Product Details Size - 26"w X 20"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 20" OR 20" X 16" duct opening (measured at the opening)

+ Product Description Ventilate your home or commercial space with our Aluminum Outdoor Weatherproof Louvers

6" X 6" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 7" Width X 7" Height] 12" Diameter actual front end outer dimensions+ Product Details Size 6" X 6" is the size for the drywall opening measurement only, actual front end outer dimensions are 7" width X 7" height High Quality Strong and sturdy aluminum built to last and never rusts. Made with gypsum sheetrock for a seamless finish Design Aluminum frame material with sleek, shiny, durable white powder coat finish for an attractive look & moisture resistant to prevent mold & mildew buildup in indoor or outdoor spaces.