Mobile air conditioner and heater, Prem-I-Air Model KTS-N18A (KTS-60L) evaporator cooler with heater. On castors for easy mobility. 67cm h x 34 d x 39 w. Really useful multi-purpose unit. Acts as a humidifier, air purifier, cooler or heater. Includes operating instructions and remote controller. £10.00, Leatherhead,.