30 WATT R20 FLOOD 20,000 HOUR LIGHT BULB - Turbo Life 20,000 hour incandescents are engineered to last up to 20 times longer than standard light bulbs, therefore reducing operational and maintenance costs, and saving both time and money.Equipped with a rugged 5 filament support, pure tungsten coil, silver reflector disc for increased brightness, and brass base, Turbo Life reflector lamps will burn continuously for an average life of 2 years in commercial applications and up to 8 years in basic household use.