(Case of 10) F32T8/SPX41 Linear Fluorescent 32-Watt T8 FO32 841 Light Bulb 48" 4' Straight T8 Fluorescent Tube Light Bulbs Cross References to all Major Brands See Below 32-Watt, 48", Medium Bi-Pin (G13) Base 4100K Cool White, 800 Series (841) Average Lifetime: 20000 hours, Good Efficiency 75% less energy than incandescent Long Lasting Linear Fluorescent, Bulbs sleeved safe wile shipping