DLC Listed Soft White 10000 - 25000 Lumens Light Bulbs from Satco Products, Inc. where Color Temperature (Kelvin) is 4000-4999, HID Equivalent is 251W-400W, Beam Angle is Over 180°, and Bulb Power Type is Ballast Bypass
$455.96$399.80($99.95 per Bulb )You save 12%