20" X 20" Steel Flush Access Panel Door for Wall/Ceiling Application with Slotted Lock, Mud-in Flange - [Outer Dimensions: 21" Width X 21" Height] fixed bar providing a clean and seamless

providing a clean and seamless look to your space

the actual front end outer dimensions are 7" in diameter

+ Product Details Size - 10"w X 18"h X 2"d (for duct opening measurement only)

+ Product Details Size – 16"w X 16"h is the size for the duct opening measurement only

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20" X 20" Steel Flush Access Panel Door for Wall/Ceiling Application with Slotted Lock, Mud-in Flange - [Outer Dimensions: 21" Width X 21" Height] fixed bar providing a clean and seamless+ Product Details Size 20" X 20" is the size for the drywall opening measurement only, actual front end outer dimensions are 21" Width X 21" Height High Quality High grade steel construction. Flush Access Door Is a type of door or panel designed to provide access to concealed spaces, such as HVAC systems, electrical components, plumbing pipes, or other utility areas. Unlike traditional doors that have visible frames and hinges, a flush access door is