Pondmaster 02940 Ultra Violet Light Pond Water Clarifier 40watt

Submersible 40-watt ultraviolet pond light for killing algae and bacteria
Clarifies and sterilizes ponds up to 6,000 gallons; for use with pumps up to 3,000-gph
¾-inch, barbed intake and outlet for attaching flexible tubing; 18-foot power cord
Vortex flow design and slim diameter increases exposure to intense UV rays
Measures 23-1/2 by 4 inches (length by width); submersed or [...]