12" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w6h6 this guard fits almost any

this guard fits almost any thermostat and blends seamlessly into any setting

Designed for both wall and ceiling applications

Actual Filter Size – 19 3/4"w x 27 3/4" x 1"

+ Product Details Size – 36"w X 14"h is the size for the duct opening measurement only

12" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w6h6 this guard fits almost any+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 14" 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