DLC Listed 10000 - 25000 Lumens LED HID Retrofit Lamps from Satco Products, Inc. with a Mogul (E39) Base, 50W - 99W For Enclosed Fixtures where Color Temperature (Kelvin) is 4000-4999, and Average Rated Life is 40,000 hrs and over
$583.96($145.99 per Bulb )