12" X 12" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 13" Width X 13" Height] 10" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 30 5/8" height

+ Product Details Size – 40"w X 20"h is the size for the duct opening measurement only

+ Product Details Size – 12" X 24" is the size for the drywall opening measurement only

+ Product Details Size – 8" x 22" or 22" x 8" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 30 5/8" width X 20 5/8" height

12" X 12" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 13" Width X 13" Height] 10" Diameter actual front end outer dimensions+ Product Details Size 12" X 12" is the size for the drywall opening measurement only, actual front end outer dimensions are 13" width X 13" 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