20" X 20" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 6" Diameter Actual Filter Size – 33 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
Actual Filter Size – 33 3/4"w x 5 3/4" x 1"
+ Product Details Size - 12"w X 36"h is the size for the duct opening measurement only
offering maximum flexibility
+ Product Details Size – 28"w X 24"h is the size for the duct opening measurement only
Can be hooked up with our Butterfly Dampersfor precise airflow control
20" X 20" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling 6" Diameter Actual Filter Size – 33 4 X 12 Is CRFG2028 Width_14in Actual Filter Size – 33 3 4"w x 5 3 4" x 1" + Product Details Size 12"w X 36"h is the size for the duct opening measurement only