Keep your cooler work areas well heated with these Infrared Heaters. The Quartz tube radiates a blanket of heat in a 60° symmetrical pattern. Portable heater adjusts from 2' to 6' in height. Wire guard is included, as well as a 15' cord set with plug (3 wire). Unit comes standard with four 2½" casters. Meets OSHA standards and is ETL C/US listed. Indoor use only.