DLC Listed 130V - 199V 10000 - 14999 Lumens LED Light Bulbs from Satco Products, Inc., 50W - 99W where Color Temperature (Kelvin) is 4000-4999, Bulb Power Type is Ballast Bypass, and HID Equivalent is 320
$455.96$399.80($99.95 per Bulb )You save 12%