12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w18h18 'block' : 'none'

'block' : 'none'

+ Product Details Size – 8" x 8" is the size for the duct opening measurement only

+ Product Details Size - 14"w X 12"h is the size for the duct opening measurement only

Actual Filter Size – 19 3/4"w x 13 3/4" x 1"

These Supply Diffusers with integral round necks are recommended for heating

12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w18h18 'block' : 'none'+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 8" 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