16" X 16" Steel Flush Access Panel Door for Wall/Ceiling Application with Slotted Lock, Mud-in Flange - [Outer Dimensions: 17" Width X 17" Height] w22h22 Actual Filter Size – 35

Actual Filter Size – 35 3/4"w x 33 3/4" x 1"

actual front end outer dimensions are approximately 26 5/8" width X 8 5/8" height -

75"H – fits a 18" X 8" duct opening

Constructed from durable

+ Product Details Size – 20"w X 4"h is the size for the duct opening measurement only

16" X 16" Steel Flush Access Panel Door for Wall/Ceiling Application with Slotted Lock, Mud-in Flange - [Outer Dimensions: 17" Width X 17" Height] w22h22 Actual Filter Size – 35+ Product Details Size 16" X 16" is the size for the drywall opening measurement only, actual front end outer dimensions are 17" Width X 17" 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