This Sylvania 22057 32 watt T8 U-bend fluorescent tube (FBO32/841XP/6/ECO, Octron XP Curvalume Ecologic series) delivers efficient 32 watts of cool white light at 4,100K color temperature. It features a medium bi-pin (G13) base, phosphor-coated finish, and CRI of 85 for excellent color rendering—ideal for commercial troffers, recessed fixtures, curved luminaires, offices, retail spaces, and energy-efficient U-bend replacements. With an average rated life of 20,000 hours (up to 24,000 on programmed rapid start ballasts), it offers long-lasting performance and reduced replacements.