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] Material_Polished Aluminum actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 8 5/8" height

This 6" X 4" end cap is constructed with 26-gauge galvanized steel

Measuring 5" in diameter for the duct opening

+ Product Details Size - 10"w X 10"h X 2"d (for duct opening measurement only)

Actual Filter Size – 31 3/4"w x 29 3/4" x 1"

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] Material_Polished Aluminum actual front end outer dimensions+ 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