12" X 12" Aluminum LED Light Access Panel Door For Wall / Ceiling Application (Push-Lock) With Frame - [Outer Dimensions: 13" Width X 13" Height] Color_R-4.2 Yellow Ideal for Walls & Ceilings: Suitable for all AC 8in diameter 12125SDCLNGBX

Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 10" duct openings

only measure the "hole"

+ Product Details Size - 30"w X 10"h is the size for the duct opening measurement only

Operating temperature from -40°f to +248°f [-40°c to +120°c]

12" X 12" Aluminum LED Light Access Panel Door For Wall Ceiling Application (Push Lock) With Frame [Outer Dimensions: 13" Width X 13" Height] Color_R 4.2 Yellow Ideal for Walls & Ceilings: Suitable for all AC 8in diameter 12125SDCLNGBX Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 10" duct openings only measure the "hole"