Cool White LED HID Retrofit Lamps with a Mogul (E39) Base, 50W - 99W For Enclosed Fixtures where Color Temperature (Kelvin) is 4000-4999, Average Rated Life is 40,000 hrs and over, HID Equivalent is 401W-1000W, and Bulb Power Type is Ballast Bypass
$455.96$399.80($99.95 per Bulb )You save 12%