28720 is an Infrared Reflector Lamp, with blown hard glass provide efficient, instantaneous and easily controllable infra-red radiant energy for a wide range of heating applications in industry, agriculture and the home. The lamps are available in clear, satin, and red finishes meeting differing heating requirements. A clear finish is recommended for maximizing the thermal energy of both the visible and infra-red light. A satin finish maintains much of the visible light content but offers a more diffused and even distribution of the heat. A red finish eliminates most of the visible light but maintains the infra-red heating properties. It is suitable for space heating, bathroom heating, personal therapeutic warming, industrial varnish and paint curing, baking, Hot food displays and food processing and Livestock rearing and agricultural climate control. It is easily controllable, splash proof, efficient, localized heating and instantaneous heating.