2-Port BU Port Expander Module, Voltage:208/230, Hertz: 60, Phase:1, Refrigerant: R-410A, Number Of Connectable Indoor Units: Min-1 To Max-2, Connection Type: Flared, Indoor Connection Size:1/4" X 3/8", Outdoor Conection Size: 3/8" X 5/8", Weight: 12 Lbs