Overview Product Description LifeGard Pro-MAX 40-watt High Output UV Sterilizer for freshwater or saltwater aquariums up to 250 gallons. Effective against bacteria and water-borne algae blooms with a unique design allowing for multiple plumbing configurations. Product Videos Custom Field Product Reviews Write a Review Write a Review × Lifegard 3" Pro-Max UV Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *