Hart & Cooley 551733 RZSR 6DUCT ADPTR RZ6

Hart & Cooley by Duravent Rezzin Back Panel, Square to Round, Series: RZ Series, Accessory Type: Back Panel, For Use With: RZ 4-Way T-bar Diffuser, Specifications: 6 in Dia Duct Opening, Polymer, Black, 14 in W x 14 in H, Domestic,