6" X 6" Steel Flush Access Panel Door for Wall/Ceiling Application with Slotted Lock, Mud-in Flange - [Outer Dimensions: 7" Width X 7" Height] return grille + Product Details Size –

+ Product Details Size – 6" round duct opening-

+ Product Details Size - 34"w X 8"h X 2"d (for duct opening measurement only)

Measure the size of the air duct/drywall opening

with actual front end outer dimensions of 8"

Design – This airflow control component are made to connect to a drop ceiling lay-in diffuser grille

6" X 6" Steel Flush Access Panel Door for Wall/Ceiling Application with Slotted Lock, Mud-in Flange - [Outer Dimensions: 7" Width X 7" Height] return grille + 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 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