SHOWROOM: M-F 7:30am to 4:30pm EDT Saturday 8am to 1pm EDT
OFFICE: M-F 8am to 5pm EDT
CLOSED: New Years Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, Christmas Day
RECTANGULAR TO ROUND DUCT ADAPTERS FOR DOWNFLOW TRANSITION, SUPPLY DUCT DIMENSIONS:40-1/2" X 29-1/4"D, RETURN DUCT DIMENSIONS:40-1/2" X 20-5/16", DUCT OPENINGS: 20" DIAMETER,USED WITH RXRN-FA65 OR RXRN-FA75 CONCENTRIC DIFFUSERS,