12" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w18h18 but you will appreciate the

but you will appreciate the benefits over the period of time

+ Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille

Smooth Surface Edges - Run Your Fingers Across The Surface To Feel The Smoothness

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

12" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w18h18 but you will appreciate the+ Product Details Size 12"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 10" 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