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 - 12"w X 12"h is the size for the duct opening measurement only

It features an eight-tumbler lock with a supplied key for secure access

this filter grille never rusts and withstands long-term use in any environment

actual front end outer dimensions are approximately 2" wider

Installation – Easy drop ceiling installation

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