AquaClear 30 Aquarium Power Filter 4.5" length x 8.2" width x 6.

The AquaClear 30 Power Filter provides mechanical, chemical and biological filtration through its multi-stage filtration system for aquariums between 10 and 30 gallons. The AquaClear 30 Power Filter media volume is up to 7 times larger than comparable filters. The unique design of the AquaClear 30 Power Filter allows the aquarium water to flow through like a natural and silent waterfall. The patented flow control feature allows you to regulate the water intake and flow, allowing customized filter performance. The media basket prevents ?water by-pass÷ around the filter media, maximizing filtration efficiency. The AquaClear 30 Power Filter include Cycle Guard with BioMax that preserves beneficial bacteria for aquarium inhabitants and maintains clear aquarium water. The AquaClear 30 Power Filter comes complete with all media needed for a healthy aquarium.