Zoo Med Laboratories AZMHLB15 15-Watt Highlights Incandescent Bulb, Blue This product is easy to use This product adds a great Value This product is Manufactured in Germany Zoo Med Laboratories Highlights Incandescent Bulb Zoo Meds Highlights Incandescent Aquarium Bulbs are a new addition to our aquatic line of products The bulbs are gel coated with color, rather than paint, so the color will not chip or wear off The bulbs are gel coated with color, rather than paint, so the color will not chip or wear off