Lifegard Aquatics QL-Series 25 Watt UV Sterilizer

Lifegard Aquatics QL-Series 25 Watt UV Sterilizer

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The Lifegard Aquatics QL-Series 25 Watt UV Sterilizer is for aquariums up to 130 gallons and ponds up to 2,360 gallons.

25 Watt UV lamp

In line

Connections: 1-1/4" slip inlet, 1" slip outlet

Requires a pump with a flow rate less than 760 gph

Dimensions: 26.75" X 7.5" X 7"

User Manual (pdf in new window)


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Pentair Aquatics Lifegard ultraviolet sterilizers produce UV light at 2537 angstroms, exerting a lethal effect on the unwanted, disease causing micro-organisms. Pentair Aquatics UV sterilizers, when used properly, are extremely beneficial in destroying disease causing pathogens, harmful bacteria, mold spores, yeast, virus, protozoa, fungi as well as algae.


Pentair Aquatics UV Sterilizers use pure hard quartz material in their bulbs, which dramatically increases the UV output as compared to other conventional bulbs of equal wattage. Pure quartz material resists solarization and improves the longevity of the UV bulb. The unique test tube like pure quartz sleeve isolates the bulb from water contact, providing an optimal bulb operating temperature of 100º F (38º C). This optimal bulb temperature results in a 35% higher UV output over conventional units without sleeves.