12" X 12" Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 13" Width X 13" Height] Color_Red Oak Wood + Product Details Size –

+ Product Details Size – 22"w X 34"h is the size for the duct opening measurement only

Actual Filter Size – 35 3/4"w x 31 3/4" x 1"

each diffuser is carefully shrink-wrapped with a sturdy cardboard backing

Crafted with top-notch quality aluminum

The process is intuitive: simply select the appropriate ceiling square for your grill

12" X 12" Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 13" Width X 13" Height] Color_Red Oak Wood + Product Details Size –+ Product Details Size 12" X 12" is the size for the drywall opening measurement only, actual front end outer dimensions are 13" width X 13" 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