Pond Boss Pond Pumps with UV Clarifier come with a built-in UV Clarifier to offer you the added benefit of sterilizing your pond or water garden to help avoid cloudy or murky water. UV technology reduces unwanted bacteria and algae blooms, leaving you with a clean, healthy, and fully optimized pond or water garden. These powerful Pond Boss Pumps with UV light technology is sure to operate consistently and hassle free for many years to come. They come with a protective mesh barrier bag to avoid large pieces of unwanted debris from getting to the motor. Since these pumps clean and circulate water, it is highly recommended for pond owners who wish to minimize maintenance time and spend more time enjoying their water feature.