LUXRITE F32T8/850 32W 48 Inch T8 Fluorescent Tube Light Bulb emits a bright white light at 5000K and provides 2800 lumens of brightness. With a G13 Medium Bi-Pin Base and LR20734 model number, it comes in a pack of 4.This energy-efficient bulb consumes 75% less energy then equivalent incandescent lamps and has a long life of 13,000 Hours. It works with all G13 medium bi-pin sockets and serves as a suitable replacement to Triangle Bulbs F32T8/SP50, Philips F32T8/TL750/ALTO, Philips F32T8/TL850/ALTO.