polished appearance that adds elegance to any room
Actual Filter Size – 13 3/4"w x 17 3/4" x 1"
Suitable for medium-pressure applications
Actual Filter Size – 11 3/4"w x 9 3/4" x 1"
+ Product Details Size – 12"w X 18"h is the size for the duct opening measurement only
14" X 14" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w8h8 polished appearance that adds elegance+ Product Details Size 14"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 875" width X 16" 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