Replaces air ventilation registers. Requires a 5-1/4" opening and 4 mounting screws. Direct OEM replacement. Won't fade, discolor, rust, or peel. UL 94 C-O & approved for use w/Dometic air conditioners. Dampered, Polar White. Cut Out Dim. 5-1/4", Outside Dim. 6-1/2."

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov