Glare Reduction Sleeve, For Use With All 1600W Qtz. Lamp, Overall Length 16 1/4 in, Diameter 3/4 in, Wattage Output 1,600 W, Red, Fits Heater Type Fostoria's Electric Infrared Heater Series, Heater Mounting Position Horizontal or Vertical Burn, Voltage Regulation 0.02, Vycor, Includes Sleeve