TUFBEND® U-Lamps (9" Leg Spacing) High Output
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(1) NORMAL LUMEN RATING: Daylight, 83% of Cool White, Sign White. Rating are approximate initial lumens at 100 hours
(2) Ballasts: U-Lamp ballasted same as corresponding straight lamps
(3) RATED LIFE: The rated life of a statistically large group of lamps is defined as the time when 50% of the lamps have failed and 50% have survived. This is based on 3 hours of operation per start