12" X 4" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Brown steel ensuring exceptional durability and performance

ensuring exceptional durability and performance for HVAC duct installations

If you still have the fiberglass low quality filter that is below MERV 4

+ Product Details Size - 18"w X 24"h is the size for the duct opening measurement only

and the second number represents the height

12" X 4" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Brown steel ensuring exceptional durability and performance+ Product Details Size 12"w X 4"h or 4"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 5" X 5. 5" wider. High Quality Extra Heavy Duty to withstand constant walk on situations. Installation Location Floor. Design Rigid gauge built for durability and long life in mind, but still light and handy. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just