14" X 14" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Return with actual outer dimensions of

with actual outer dimensions of 16

+ Product Details Size – 12"w X 4"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 10 5/8" width X 18 5/8" height

+ Product Details Size – 36"w X 12"h is the size for the duct opening measurement only

Designed with two mounting base options—solid and ring—it offers flexible installation

14" X 14" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Return with actual outer dimensions of+ 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