18 Watt Replacement Bulb,9 inch length,5500K,2G11 4-Pin Base.
PL18 Watt Type B Light Bulb,Replacement light bulb for OttLite lamp model numbers:836002, U83WG2, U15WG2, A13WG2, W9437T-SHPR, P2337T, P6337T, Z23002, T81G5T, & V23WGT.
High definition natural lighting,perfect for reading,creating,office space.
Please verify the markings and measure the bulbs to be replaced to ensure fit and compatibility.
A faulty ballast can lead to the failure of the bulb or prevent it from operating. Please verify that the ballast and starter are functioning correctly.