8" x 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Grilles + Product Details Size -

+ Product Details Size - 22"w X 10"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 34 5/8" width X 26 5/8" height

The crank handle lever makes it easy to adjust to every weather situation

Actual Filter Size – 31 3/4"w x 13 3/4" x 1"

+ Product Details Size – 32"w X 10"h is the size for the duct opening measurement only

8" x 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Grilles + Product Details Size -+ Product Details Size 8"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 875" width X 6" 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