D&W Register, Round, 4", Dampered, Walnut 3840RWN
Not only permits any adjustment of air direction, but also will throttle the flow from "ON" to "FULL-OFF." ABS plastic/UL 94; grille rotates 360 degrees; tapered tube collar; wide mounting flange; free-flow vanes; smooth operation. (4" cut out diameter.) Walnut MFG# 3840RWN UPC# 765053042420
Product Code: NT-08-0226
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