Actual Filter Size – 7 3/4"w x 19 3/4" x 1"
+ Product Description Maximize HVAC efficiency with our aluminum eggcrate return air filter grille
+ Product Details Size – 36"w X 32"h is the size for the duct opening measurement only
actual front end outer dimensions are approximately 34 5/8" width X 8 5/8" height
+ Product Description Upgrade your ventilation with our premium grilles and registers
12" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 6in diameter Actual Filter Size – 7+ Product Details Size 12"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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