24" X 24" Steel Flush Access Panel Door for Wall/Ceiling Application with Slotted Lock, Mud-in Flange - [Outer Dimensions: 25" Width X 25" Height] Supply Grille Actual Filter Size – 33

Actual Filter Size – 33 3/4"w x 17 3/4" x 1"

Ideal for both walls and ceilings

Actual Filter Size – 19 3/4"w x 11 3/4" x 1"

actual front end outer dimensions are approximately 27 5/8" width X 20 5/8" height

24" X 24" Steel Flush Access Panel Door for Wall/Ceiling Application with Slotted Lock, Mud-in Flange - [Outer Dimensions: 25" Width X 25" Height] Supply Grille Actual Filter Size – 33+ Product Details Size 24" X 24" is the size for the drywall opening measurement only, actual front end outer dimensions are 25" Width X 25" 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