6" X 12" OR 12" X 6" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 7.5 X 13.5] - Light Grey Color_R-4.2 Yellow + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 22" OR 22" x 30" duct opening (measured at the opening)

+ Product Details Size – Stick-on collar is 16" and it is compatible with duct 16"

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 14" OR 14" x 20" duct opening (measured at the opening)

6" X 12" OR 12" X 6" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 7.5 X 13.5] - Light Grey Color_R-4.2 Yellow + Product Details Perfect Fit+ Product Details Size 6"w X 12"h or 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 5" X 7. 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