16" X 16" Aluminum Insulated Fire Resistant Access Panel Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 17" Width X 17" Height] Line Covers + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 8" OR 8" x 32" duct opening (measured at the opening)

+ Product Details Size – 14"w X 12"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 20"h Is The Size For The Duct Opening Only

+ Product Details Size - 28"w X 14"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 10 5/8" height -

16" X 16" Aluminum Insulated Fire Resistant Access Panel Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 17" Width X 17" Height] Line Covers + Product Details Perfect Fit+ 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. Design Aluminum material & color to give your space an attractive look & provide high durability corrosion protection no rust. Built in tumbler lock and key is provided Easy Access Provides easy access for HVAC, plumbing, electrical, crawlspace etc.