4 Ton Single Stage Split-System Air Conditioner, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER: 14, EER: 11.7, Stage: Single, Refrigerant: R410A, Connection Size: 3/8"X7/8", Connection Type: Sweat, Type: Air, Dimensions: 41-1/4''H x 31-3/4''W x 31-3/4''D, Factory Charge: 86 oz, Weight: 222 lbs