8018478 Ceiling diffuser23 3/4 in (L) x 23;3/4 in (W)2 3/8 in tall neckFits 6 in;ductsPlastic construction3 cone designWhite;colorWon't rust, corrode or fadeFlame;resistantR6 insulated50% lighter...
8018473 Ceiling diffuser23 3/4 in (L) x 23;3/4 in (W)Fits 6 in ducts2 3/8 in tall;neckPlastic construction50% lighter then metal3;cone designWhite colorWon't rust, corrode or;fadeMildew resistantMade...