Set of 3 Double Life Bulbs/Heating Elements (1500 Watt) for EdenPURE GEN4 & USA1000 Infrared Heaters Brand New and Never Used Complete Set of 3 DOUBLE LIFE Bulbs/Heating Elements New Improved and Lab Tested for Double Life Expectancy of 15000-20000 Hours than the original bulb (8000-10000 hours) for EdenPURE GEN4 & USA1000 Infrared Heaters and MORE!