24" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 18in diameter Actual Filter Size – 9

Actual Filter Size – 9 3/4"w x 35 3/4" x 1"

these heavy-duty louvers are ideal for use in attics

100% Satisfaction Guaranteed

actual front end outer dimensions are approximately 10 5/8" width X 26 5/8" height

+ Product Details Size – 16"w X 28"h is the size for the duct opening measurement only

24" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 18in diameter Actual Filter Size – 9+ Product Details Size 24"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 10" 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