Silica Tube Infrared Heaters are available in diameters ranging from 8 to 19 mm and lengths from 300 to 1500 mm. These Infrared Heaters are medium wave infrared heater which has a helically wound resistance coil housed in a pure vitreous silica fused quartz tube. These Infrared Heaters are terminated with ceramic insulating caps designed specifically to allow the quartz tubing to breath. These Silica Tube Infrared Heaters can be used only in horizontal position and require low maintenance.