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

actual front end outer dimensions are approximately 22 5/8" width X 42 5/8" height

our carefully crafted products offer superior performance

Actual Filter Size – 21 3/4"w x 23 3/4" x 1"

actual front end outer dimensions are approximately 18 5/8" width X 20 5/8" height

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

20" X 20" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Ceiling actual front end outer dimensions+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 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