ate in SHEW] Cool Solutions by External Approved technology with 30 bears experience in the Market! Already Spot Cooke 5-Ton Airfare spot covers operate in air temperatures from 68% 13°F. These air conditioners utilize Eco-friendly 4104 refrigerant. Airfare spot cooler air conditioners may require a fresh alr supply for proper operation. Includes removable, washable air filters for easy maintenance. Thermostatically protected compressor includes high and iow pressure warnings.