12" X 12" Aluminum Insulated Fire Resistant Access Panel Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 13" Width X 13" Height] Compatible with Duct 8" while the included safety wire

while the included safety wire provides added security to prevent the door from falling off

actual front end outer dimensions are approximately 20 5/8" width X 28 5/8" height

12" x 8" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 34" OR 34" X 16" duct opening (measured at the opening)

875" width X 26

12" X 12" Aluminum Insulated Fire Resistant Access Panel Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 13" Width X 13" Height] Compatible with Duct 8" while the included safety wire+ Product Details Size 12" X 12" is the size for the drywall opening measurement only, actual front end outer dimensions are 13" width X 13" 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.