+ Product Details Size - 10"w X 36"h is the size for the duct opening measurement only
Whether you choose the modern contemporary
Actual Filter Size – 31 3/4"w x 23 3/4" x 1"
+ Product Details Size - 28"w X 4"h is the size for the duct opening measurement only
reducing electric bills and extending HVAC machine lifespan
6" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 18" Diameter + Product Details Size -+ Product Details Size 6"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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