10" X 10" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 11" Width X 11" Height] sidewall is the same as a

is the same as a 1/8" Plumbing1fitting

+ Product Details Size - 4"w X 12"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 17

+ Product Details Size - 24"w X 26"h X 2"d (for duct opening measurement only)

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10" X 10" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 11" Width X 11" Height] sidewall is the same as a+ Product Details Size 10" X 10" is the size for the drywall opening measurement only, actual front end outer dimensions are 11" width X 11" 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