6x4x4 'Y' Duct Connector
6x4x4 'Y' Duct Connector at HorticultureSource.com -
6x4x4 'Y' Duct Connector (404644) Made of galvanized steel. Perfect fit. Sealed seams to prevent air leaks. Manufacturer's Product Information MSRP $ 15.95 Dimensions 9 x 7 x 11.5