Goodlite G-10755 Straight 24-watt Mini Bi Pin Base 3500K T5 Linear Fluorescent Lamp G5 Mini Begin, 22" long, Good Efficiency 75% less energy than incandescent, 1350 Lumens More than 100++ lumens/watt (efficacy) Bulb Meets Federal Minimum efficiency Standards Works with INSTANT/RAPID Start Fixtures, Long Life: &gt;30,000 hour ,Bulbs sleeved safe wile shipping CRI 85 800 series high quality triphosphor coding Energy efficient, high energy savings in an environmentally responsible lamp low mercury meets TCLP Brand Cross Reference F24T5/835/HO/ECO - F24T5/SPX35/HO/ECO - F24T5/835/HO/ALTO - FP24/835/HO/ECO