6" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 10in diameter actual front end outer dimensions

actual front end outer dimensions are 17" Width X 17" Height

[Outer Dimensions: 16

Actual Filter Size – 17 3/4"w x 25 3/4" x 1"

Actual Filter Size – 33 3/4"w x 15 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 25" OR 25" x 20" duct opening (measured at the opening)

6" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 10in diameter actual front end outer dimensions+ Product Details Size 6"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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