... incoporate a tungsten filament within a quartz envolop.2.Halogen type,which avoids blackening mof tube and consequently infrared ... ruby sleeve5.Infrared Helen glare reduction lamps comply fully with the IEC standardsBenifit:a.Highly economical,converting practically all ... ,camp sites ,painting drying ,etc Gold Coated Infrared halogen fused Quartz glass Heating Lamp with ceramic holder (CE and RoHS)