24" X 18" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w30h30 you can't go wrong with

you can't go wrong with this decorative grill

actual front end outer dimensions are 13" Width X 13" Height

Actual Filter Size – 7 3/4"w x 9 3/4" x 1"

This aluminum adjustable louvered garage vent allows air ventilation and circulation in your garage 24 hours a day

24" X 18" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w30h30 you can't go wrong with+ Product Details Size 24"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 20" 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