6" X 6" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 7" Width X 7" Height] 12" Diameter + Product Details Size -

+ Product Details Size - 26"w X 20"h is the size for the duct opening measurement only

+ Product Description Upgrade your HVAC system with our heavy-duty

this access door exudes a sleek and minimalistic design

Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 20" OR 20" X 16" duct opening (measured at the opening)

6" X 6" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 7" Width X 7" Height] 12" Diameter + Product Details Size -+ Product Details Size 6" X 6" is the size for the drywall opening measurement only, actual front end outer dimensions are 7" width X 7" 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 spaces.