10" X 10" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 11" Width X 11" Height] return filter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 16" OR 16" X 14" duct opening (measured at the opening)

effectively trapping more harmful particles and allergens

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 4" duct openings

+ Product Details Size - 24"w X 12"h is the size for the duct opening measurement only

larger than the same nominal size "plumbing" pipe

10" X 10" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 11" Width X 11" Height] return filter + Product Details Perfect Fit+ Product Details Size 10" X 10" is the size for the drywall opening measurement only, actual front end outer dimensions are 11" width X 11" 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