14" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w32h32 Actual Filter Size – 21

Actual Filter Size – 21 3/4"w x 17 3/4" x 1"

+ Product Details Size – 26"w X 6"h is the size for the duct opening measurement only

+ Product Description This aluminum flex duct is intended to be used in heating

+ Product Description Maximize HVAC efficiency with our aluminum eggcrate return air filter grille

14" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w32h32 Actual Filter Size – 21+ Product Details Size 14"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 875" width X 12" 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