16" X 16" Steel Access Panel Removable Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 18" Width X 18" Height] Height_18in this grille is a testament

this grille is a testament to high standard craftsmanship

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 18" OR 18" x 24" duct opening (measured at the opening)

+ Product Details Size - 10"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 30"h is the size for the duct opening measurement only

+ Product Description Introducing our revolutionary Anisotropic Magnetic Vent Covers

16" X 16" Steel Access Panel Removable Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 18" Width X 18" Height] Height_18in this grille is a testament+ 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