14" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Compatible with Duct 8" + Product Details Size – Ducting Components RG2016 FBA-HP Applications The C box

+ Product Details Size – 25"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 36"h is the size for the duct opening measurement only

width: 20px

Actual Filter Size – 13 3/4"w x 19 3/4" x 1"

actual front end outer dimensions are approximately 36 5/8" width X 10 5/8" height

14" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling Compatible with Duct 8" + Product Details Size – Ducting Components RG2016 FBA HP Applications The C box + Product Details Size – 25"w X 18"h is the size for the duct opening measurement only + Product Details Size 32"w X 36"h is the size for the duct opening measurement only