+ Product Details Size - 28"w X 16"h is the size for the duct opening measurement only
+ Product Details Size – 8"w X 26"h is the size for the duct opening measurement only
this model allows for mounting without removing the thermostat
Actual Front End Outer Dimensions Are 12" Width X 6" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE
Actual Filter Size – 9 3/4"w x 11 3/4" x 1"
22" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Brown + Product Details Size -+ Product Details Size 22"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 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