Sealey air cooler heater air purifier humidifier sealey sac41 multifunction 4 in 1 unit comprising air cooler heater humidifier and air purifier features 3 speed fan adjustable airflow direction and timer refrigerant free cooling by evaporating water which can be enhanced by adding ice fan assisted heating function with two settings air purification is achieved by negative ion generation and an activated carbon filter supplied with electronic remote control mounted on castors for ma