24" X 20" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 18" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 23

or commercial environments

actual front end outer dimensions are approximately 34 5/8" width X 38 5/8" height

Actual Filter Size – 17 3/4"w x 11 3/4" x 1"

Actual Filter Size – 33 3/4"w x 7 3/4" x 1"

24" X 20" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 18" Round Duct Pipe actual front end outer dimensions+ Product Details Size 24"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 22" 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