8" X 8" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 9" Width X 9" Height] return grille R value rating of insulation

R value rating of insulation - R3

Crafted from sturdy aluminum and gypsum sheetrock

+ Product Details Size - 6"w X 36"h is the size for the duct opening measurement only

Dimensions With Outer End are 15

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 26" OR 26" x 30" duct opening (measured at the opening)

8" X 8" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 9" Width X 9" Height] return grille R value rating of insulation+ Product Details Size 8" X 8" is the size for the drywall opening measurement only, actual front end outer dimensions are 9" width X 9" 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.