20" X 20" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 21" Width X 21" Height] Color_Brown + Product Details Size -

+ Product Details Size - 40"w X 6"h is the size for the duct opening measurement only

Introducing our Aluminum Press and Lock Access Door with Hidden Hinged Flanges – the perfect blend of elegance and functionality

8" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

+ Product Details Size – 34"w X 30"h is the size for the duct opening measurement only

+ Product Details Size – 16"w X 25"h is the size for the duct opening measurement only

20" X 20" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 21" Width X 21" Height] Color_Brown + Product Details Size -+ Product Details Size 20" X 20" is the size for the drywall opening measurement only, actual front end outer dimensions are 21" width X 21" 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