Philips 281535 32W T8 Neutral 3500K Alto Linear Fluorescent Light Bulb (30 Pack), 4' This Philips 32-watt, Cool White Linear Fluorescent light bulb brightens laundry rooms, bathrooms, or workspaces. Versatile for multiple applications, this 4100-Kelvin Fluorescent bulb is suitable for indoor, commercial, and residential use. Features a Miniature Bipin base. Low-mercury design creates a smaller environmental footprint. Philips reuses as much glass and packaging material as possible, reducing environmental impact. Lamp life of 24,000 hours. This product ships as a single bulb and comes with a 3-year warranty.