Aqua Ultraviolet® Ultima II Filters with 3" Side-Mount Inlet/Outlet Model:30000 Stimulates and enhances indigenous bacteria

Stimulates and enhances indigenous bacteria while working to digest contaminates and toxins

Slowly releases humic acids and tannic acids for water clarity

Lightweight

Features flash

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Aqua Ultraviolet® Ultima II Filters with 3" Side-Mount Inlet/Outlet Model:30000 Stimulates and enhances indigenous bacteriaThe Ultima II Filter is the best choice for home hobbyists and aqua professionals alike due to its impressive capacity and minimal, effortless maintenance. Independent laboratory testing confirms that the Ultima II filter is superior to three leading bead filter brands in setup, nitrification, back washing and overall efficiency. It's perfectly designed for high flow rates, extreme fish loads and elevated feed rates. Why Use a Biomechanical Filter? To