16" X 16" Steel Access Panel Removable Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 18" Width X 18" Height] Powder-Coated Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 6" duct openings

actual front end outer dimensions are approximately 16 5/8" width X 26 5/8" height

+ Product Details Size – 30"w X 12"h is the size for the duct opening measurement only

+ Product Details Size - 12"w X 14"h X 2"d (for duct opening measurement only)

this cutter features a sharp blade that won't bend or break

16" X 16" Steel Access Panel Removable Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 18" Width X 18" Height] Powder-Coated Ideal for Walls & Ceilings:+ Product Details 16"w X 16"h is the size for the drywall opening measurement only, actual front end outer dimensions are approximately 2" wider. Most common access door Plastic Frame Easy Installation Just apply caulking or glue to the back of the frame Put in frame and lock the door into place Includes slots for a screwdriver or other prying devices Hinges on the top and bottom The door can be easily removed with a slight squeeze Installation