this easy-to-install grille fits seamlessly into any standard return filter opening
actual front end outer dimensions are approximately 12 5/8" width X 24 5/8" height
actual front end outer dimensions are approximately 42 5/8" width X 22 5/8" height -
Customize effortlessly with a removable face/door
+ Product Details Size - 8"w X 28"h is the size for the duct opening measurement only
14" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w22h22 this easy-to-install grille fits seamlessly+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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