R40 500 Watt Pool Bulb by Lumenivo – Replacement for Halco R40FL500/HG Incandescent Flood Reflector Inground Pool Light Perfect for Night Swimming - E26 Medium Screw Base - Frosted Glass - 120V - - Amazon.com
500 Watt - R40 - Swimming Pool Light - 2,000 Life Hours - 5,000 Lumens - 120 Volt - PLT 107900 - Incandescent Bulbs - Amazon.com