Philips Slimline Alto 39 W T12 1.5 in. D X 48 in. L Fluorescent Bulb Cool White Linear 4100 K 1 pk

The Alto Philips F39T12/CW/ALTO T12 linear fluorescent tube features a high lumen output while producing a whiter, more natural color for either commercial or residential applications. This fluorescent tube is perfect for high or low installations and can help you save energy with a fluorescent ballast.