10" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 8" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are 16" width X 8" height

this grille enhances air circulation

Actual Filter Size – 35 3/4"w x 23 3/4" x 1"

High Standard Quality - Every part is hand inspected for quality before it is packaged

actual front end outer dimensions are approximately 20 5/8" width X 22 5/8" height -

10" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 8" Round Duct Pipe actual front end outer dimensions+ Product Details Size 10"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 875" width X 6" 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