10" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Aluminum - Cube Core actual front end outer dimensions FLTR M8 308x3 Actual Filter Size 23 Drop Ceilings / Aluminum

actual front end outer dimensions are approximately 14 5/8" width X 22 5/8" height

+ Product Details Size – 16"w X 10"h is the size for the duct opening measurement only

Actual Filter Size – 21 3/4"w x 25 3/4" x 1"

and with a built-in back 1/2" mesh they also protect you from annoying rodents like mice

this filter grille never rusts and withstands long-term use in any environment

10" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling Aluminum Cube Core actual front end outer dimensions FLTR M8 308x3 Actual Filter Size 23 Drop Ceilings Aluminum actual front end outer dimensions are approximately 14 5 8" width X 22 5 8" height + Product Details Size – 16"w X 10"h is the size for the duct opening measurement only