Color Selectable 15000 - 19999 Lumens Light Bulbs with a Mogul (E39) Base For Enclosed Fixtures where Color Temperature (Kelvin) is 4000-4999, HID Equivalent is 251W-400W, and Bulb Power Type is Ballast Bypass
$455.96$399.80($99.95 per Bulb )You save 12%