Energy-Saving T8 Lamp comes in 2 and 3 ft versions.
Two-ft Model F17 Watt-Miser output 3,132 initial lm and consume 41 system watts in 3-lamp fixture. Similarly, 3-ft Model F25 Watt-Miser output 5,024 initial lm and consume 58 system watts. Both TCLP-compliant lamps deliver 24,000 hr rated life at 12 hr/start to extend relamping cycle. Color rendering index is 80 for 5,000K lamp, 82 for 4,100K lamp, and 85 for 3,000K/3,500K lamps.