30" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w26h26 + Product Details Size -

+ Product Details Size - 32"w X 4"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 20" duct opening (measured at the opening)

See chart below:

No Sharp Surface Edges

Can be hooked up with our Butterfly Dampersfor precise airflow control

30" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w26h26 + Product Details Size -+ Product Details Size 30"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 875" width X 10" 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