The Tetra Pond GreenFree Ultraviolet Clarifer combines an efficient UV lamp and stainless steel reflector to clear your water of green algae quickly. A quartz sleeve helps protect your UV Clarifier lamp from any debris and lamps last up to 11 months of constant use. The stainless steel reflector insert increases UV exposure for more efficient sterilization than other UV clarifiers.
Durable non-submersible UV sterilizer with 18' power cord and weather resistant housing. All Greenfree UV Sterilizers include barbed fittings for 3/4", 1" and 1-1/4" soft tubing.