EdenPURE Complete OEM Set of Sylvania 1500 watt EdenPURE GEN4 & USA1000 Bulb Kit Complete This set of Sylvania Elements are OEM for the EdenPURE Gen 4 series heaters along with the U.S.1000 and USA1000 heaters. Complete heating element set for 1500-watt heaters New Upgraded Inner Tube Designed for longer life