Kelvinator JS4BD Commercial/Residential 3-Ton 13-SEER Central Air Conditioner Item # 596778 Model # JS4BD-036KB Outdoor air conditioning condenser and indoor evaporator coil and 30 feet of line set Ozone friendly R-410A refrigerant Outdoor condenser has micro-channel aluminum coils for high corrosion resistance, and the galvanized steel cabinet is coated with a polyester urethane to withstand coastal elements Permanently lubricated motor requires no maintenance and is protected from the elements The fully cased, multi-positional design of the evaporator coil allows it to be installed in upflow, and horizontal applications; coils are ready to accept the refrigerant metering piston which is included with the outdoor condenser 30 foot line set includes a liquid line and insulated suction line and can be cut to length in the field Sweat fit systems require and EPA certified technician to install as system must be brazed, vacuumed and base valves opened