Tetra 18 watt Replacement UV Bulb for Tetra UV2, UVC18, BP2500-UV & BP4000-UV

UV Bulbs (UV-C), are low-pressure mercury arc lamps that are the most effective tool for eliminating microorganisms such as virus, bacteria, mold and yeast in the air and impurities in water. UV lamps are warrantied for up to 8,000 hours of normal usage.

Tetra 18w Replacement UV Lamp for Tetra UV2, UVC18 & BP2500