The Exo Terra Natural Light Ion is a 25 watt deodorizing light bulb that provides a bright white light to help eliminate odors in your home. This light bulb features a blue plastic lens that protects the bulb from scratches during transport and storage. The bulb also has a 25 watt rating and produces high levels of negative ions that help neutralize mold spores, fungi, dust, and other harmful airborne particles in the air.