Westpointe, f34/cw/c/tv/upc, 1-1/2" x 48", 34w, cool white, t12, fluorescent tube, energy efficient, 4,100 kelvin color temperature, medium bi-pin base, 1,700 initial lumens, 15,000 hours, cri=87, designed for commercial/industrial or better grade hard wired residential fluorescent fixtures with circle e, .9 power factor ballasts.