actual front end outer dimensions are approximately 52 5/8" width X 22 5/8" height -
Actual Filter Size – 23 3/4"w x 17 3/4" x 1"
Easy Installation – Complete set of sponge gasket and mounting frame included
+How To Measure A Grille Overall Size:
+ Product Details Size - 24"w X 2"h is the size for the duct opening measurement only
16" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Black actual front end outer dimensions+ Product Details Size 16"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 875" width X 12" 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