The AquaClear 20 Power Filter provides mechanical, chemical and biological filtration through its multi stage filtration system. Filtration volume is up to 7 times larger than comparable Filters. Its unique design filters aquarium water through a natural and silent waterfall. The patented flow control feature allows for customized filter performance. The media basket prevents water bypass around the filter media maximizing filtration efficiency. The filter preserves beneficial bacterial creating a stress free environment for aquarium inhabitants and maintains clear aquarium water. Installation and maintenance are quick, easy and convenient. The filter comes equipped with AquaClear Foam, Activated Carbon and BioMax. AquaClear offers an entire line of media including Zeo Carb and Ammonia Remover exclusively designed for the AquaClear 20 Power Filter. The AquaClear 20 Power Filter is ideal for use in 520 US gallon (1876L) aquariums

• Refiltration system that offers superior contact time with filter media and energy efficient pump lowers operating costs
• Quick and easy installation
• Filtration volume is up to 7 times larger than comparable filters
• Comes equipped with AquaClear Foam, Activated Carbon and BioMax and Cycle Guard for continuous biological filtration and superior water quality
• 2 year warranty; Ideal for aquariums up to 20 gallons