16" X 16" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 17" Width X 17" Height] 10" Diameter + Product Details Size –

+ Product Details Size – 6"h X 12"h is the size for the duct opening measurement only

+ Product Details Size - 6"w X 16"h X 2"d (for duct opening measurement only)

Durable and Long-Lasting – Built with high-impact clear plastic and premium materials for dependable performance

actual front end outer dimensions are approximately 2" wider

+ Product Details Size - 18"w X 18"h X 2"d (for duct opening measurement only)

16" X 16" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 17" Width X 17" Height] 10" Diameter + Product Details Size –+ Product Details Size 16" X 16" is the size for the drywall opening measurement only, actual front end outer dimensions are 17" width X 17" 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