T5 MEDIUM BASE SPIRAL COMPACT FLUORESCENT BULB85 watt self-ballasted CFLReplaces 350 watt incandescentT5 lamp shape - E26 medium base4100K cool white colorAverage rated life: 10,000 hoursMOL: 9.96" MOD: 4.31" - CRI: 85One per box pack5700 Lumens