Actinic "03" 48" 40W

Hurry Sale ends February 1st, 2010.Make your aquarium stand out with brilliant, color-enhancing lightingStandard watt fluorescent tubesCustomer favoriteA highly efficient source of long wave ultraviolet radiation. The spectral energy distribution emitted by this bulb, 420 nm (same as actinic 03), closely aligns with that of the blue chlorophyll adsorption peak utilized in photosynthesis, so it's very desirable for use with invertebrates and plants. 180 internal reflector. 100 percent blue spetrum. Endcaps not included with bulbs.WattsLengthDiameter1518"T-122024"T-12-->3036"T-124048"T-12Please click on "More Information" for spectrum graph.