14" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Filter Grille + Product Details Size –

+ Product Details Size – 14"w X 25"h is the size for the duct opening measurement only

Actual Filter Size – 15 3/4"w x 17 3/4" x 1"

Installs Directly On Round & Oval Spiral Duct - No Frames

+ Product Details Size - 24"w X 6"h is the size for the duct opening measurement only

The total outer size of this grille is the listed size plus 2

14" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Filter Grille + Product Details Size –+ Product Details Size 14"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 875" width X 14" height. High Quality High quality steel construction, no scuff powder coat durable finish, smooth, shiny, scratch resistant, no sharp edges, 2 recessed screw holes on each side with screws included, screws same color as vent cover, easy installation. Adjustable airflow control Adjustable airflow