Uninex/Nakatomi IN/OUTDOOR KOOLZONE Twin Duct Mobile Spot Cooler SAC-4500 Portable Air Conditioner Industrial Grade 15,358 BTU 9.88 CER, R410A Refrigerant. Twin duct with oscillating function, Nema Plug type 5-20P (20A,125V). Energy efficient, 1.3 ton cooling capacity, [Certification]: Meets CAER Title 20, Section 1607 requirements, listed on California Energy Commission/MAEDBS for test ASHRAE Standard 128-2001