Natural Day Light PL 18 watt 4 pin 2G11, 6500K FREE SHIPPING FREE SHIPPING - PL 18 watt 4 pin 2G11 Base, Natural Day Light Natural Day Light High Definition 6500K Replacement for Feit # BPPLL18/65 Replacement Bulb for Ott-Lite Fixture: OLFX18TC, Bulb # T18330 Replacment for Full Spectrum Solutions # PL189165