24" X 16" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 6" Diameter + Product Description Enhance your

+ Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille

For 8" Round Duct Opening - Spiral or Flex

[Outer Dimensions: 12

And Meets/Beats ASTM B280 Standard

24" X 16" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 6" Diameter + Product Description Enhance your+ Product Details Size 24"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 18" 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