Innovative design of radiant heater uses propane gas cylinder to power an infrared burner unit The radiant heat which is produced heats only surfaces which it falls on & is relatively unaffected by air movement This unit produces a pleasant heated workingrelaxing environment over Approx. 2025mtr & is ideal to be used in open workshops boat yards forecourts gardens terraces & swimming pool areas The burner head is positioned Approx. 2mtr off the ground & the metal shade directs radiation downwards & outwards The heat output is fully adjustable using a control valve on the burner head Features a fully enclosed gas cylinder chamber As with all heaters utilising burner heads this product should only be used in a well ventilated area