24" X 18" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Fixed Blades + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 36"w X 12"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 30 5/8" width X 24 5/8" height

actual front end outer dimensions are approximately 30 5/8" width X 38 5/8" height

Actual Filter Size – 27 3/4"w x 19 3/4" x 1"

+ Product Details Size – 25"w X 34"h is the size for the duct opening measurement only

24" X 18" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling Fixed Blades + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 36"w X 12"h X 2"d (for duct opening measurement only) actual front end outer dimensions are approximately 30 5 8" width X 24 5 8" height