14" X 14" Plastic Access Panel Removeable/Reversable Door With Frame For Concealed Wall / Ceiling Application - [Outer Dimensions: 16" Width X 16" Height] Compatible With Duct 6in Actual Filter Size – 25

Actual Filter Size – 25 3/4"w x 19 3/4" x 1"

Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 4" duct openings

+ Product Details Size – 14" x 16" or 16" x 14" is the size for the duct opening measurement only

+ Product Details Size – 6" x 16" or 16" x 6" is the size for the duct opening measurement only

Actual Filter Size – 7 3/4"w x 15 3/4" x 1"

14" X 14" Plastic Access Panel Removeable/Reversable Door With Frame For Concealed Wall / Ceiling Application - [Outer Dimensions: 16" Width X 16" Height] Compatible With Duct 6in Actual Filter Size – 25+ Product Details 14"w X 14"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