This 16 1/4 x 19 1/2 inch Carlisle flexible duct connector canvas joint is made by Tinman and is designed for use with a variety of HVAC systems. It is suitable for use with ducted evaporative coolers, packaged or rooftop furnaces, and wall heaters. Additionally, it can be used with air conditioner split systems, dual fuel split air conditioning systems, heat pump split systems, packaged or rooftop air conditioner units, central furnaces, and underfloor heating systems. The connector is made of galvanized steel and is both updraft and downdraft installation capable.