Philips 15W 18 In. Soft White T8 Medium Bi-Pin Plant & Aquarium Fluorescent Tube Light Bulb

T8, medium bi-pin, fluorescent tube light bulb. Ideal for use in indoor plant lights, hydroponic gardening, and freshwater aquariums. Provides the light spectrum needed for growing plants and healthy fish. Environmentally responsible bulb featuring extra low mercury and high energy savings.