24" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Compatible with Duct 6" but still very thin

but still very thin

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

Design – removable door/face for easy filter change & cleaning - uses a 1" thick filter

actual front end outer dimensions are approximately 28 5/8" width X 22 5/8" height

24" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Compatible with Duct 6" but still very thin+ Product Details Size 24"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 8" 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