16" X 16" Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 17" Width X 17" Height] Sheet Metal/Adjustable Elbow Actual Filter Size – 11

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

or diffusers

Filter Size - 7

Easy Installation – Complete set of sponge gasket and mounting frame included

16" X 16" Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 17" Width X 17" Height] Sheet Metal/Adjustable Elbow Actual Filter Size – 11+ 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 aluminum solid frame construction. Design Aluminum frame with no welded edges. Fully removable door with a spring loaded hinge. Open close easily with push lock technology, just push open and push close. Easy Access Provides easy access for HVAC, plumbing, electrical, crawlspace