16" X 16" Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 17" Width X 17" Height] Copper Coil-Insulated Line Set + Product Details Size -

+ Product Details Size - 12"w X 12"h Is The Size For The Duct Opening Only

Actual Front End Outer Dimensions Are 26" Width X 8" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

For HVAC a 1/2" fitting

+ Product Details Size – 25"w X 34"h is the size for the duct opening measurement only

16" X 16" Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 17" Width X 17" Height] Copper Coil-Insulated Line Set + Product Details Size -+ 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