Lifegard Aquatics AQUASTEP Pro UV Sterilizer: Aquarium UV Sterilizers
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Lifegard Aquatics AQUASTEP® Pro UV Sterilizer

Lifegard Aquatics AquaStep Ultraviolet Sterilizer
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* High intensity aquarium UV sterilizer with clever internal step design
* Combats disease-causing microbes and free-floating aquarium algae
* Internal step design prolongs UV exposure to maximize effectiveness

Innovative design TRIPLES UV light exposure of incoming aquarium water to eliminate the spread of disease-causing microbes and free-floating green water algae. Lifegard Aquatics AQUASTEP Pro UV Sterilizer features an internal step design that directs water back and forth across high-intensity UV light for enhanced capacity and maximum effectiveness. Improved housing design provides a watertight seal to prevent potential leaks. Versatile hang-on or stand-alone unit allows convenient installation on your aquarium or below it in a cabinet stand. For freshwater and saltwater aquarium use.


  • Internal Step Design: Directs water back and forth across UV light tripling the contact time through the unit.
  • Hang or Stand Molded Design: Flat side allows snug fit to hang on any aquarium or reservoir tank. Molded base enables ease of installation beside or below tank.
  • High Capacity: More volume than any other make of equal height due to shape of chamber and step design. Creates more surface area for increased contact time.
  • Versatile: Inlet and outlet on top for hang-on use and at bottom for below aquarium installations. Use inlet ports on each side to connect multiple units together for any aquarium size requirement.
  • Waterfall Assembly (Outlet): Increases oxygen level by spreading out a thin sheet of gently falling water.
  • Adjustable Clamp and Adjustment Screws: Spring loaded clamp on top creates snug fit while bottom screws keep unit level when installed in hanging position.
  • Clear View Port: Allows visible light (no UV) to pass through view port and indicate bulb is working.
  • UV Bulb: Highest-quality pure hard quartz material allows maximum transmission and longer bulb life. End cap wire design drops further into unit for maximum output and keeps heat away from sealing area.
  • Compression Coupling and Gasket: Creates watertight seal at quartz sleeve and around ballast cord. Unique 4-pin connector allows easy bulb replacement without shutting down system.
  • All Parts are Replaceable: It is recommended that UV Bulb and main body housing be replaced annually.
  • Ballast: 15-watt and 25-watt high output UL listed ballast.

Replacement UV bulbs and ballast sold separately.

Model Inlet/Outlet Max Flow Rate Recommended Pump For Aquariums up to Dimensions
Mfg# R440515)
3/4" FPT 450 gph Quiet One Pro Pump 1200 or 2200 100 gallons 7-1/2" x 3" x 23" high
Mfg# R440252)
3/4" FPT 760 gph Quiet One Pro Pump 2200 or 3000 200 gallons 7-1/2" x 3" x 23" high

Shop all Aquarium UV Sterilizers.

Please click "More Information" for installation instructions.

Improved housing design upgraded to eliminate potential leaks!
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Please note: Return of electrical equipment to Drs. Foster & Smith for exchange or refund is limited to 60 days from the date of purchase. Beyond 60 days, please contact the manufacturer for repair or replacement as covered by the manufacturer's warranty.

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