Aqua Ultraviolet® Ultima II Filters with 1.5" Inlet/Outlet Accessory the air switch may be

the air switch may be in the wrong position

wishing it was an AlphaONE filter

Note: When you buy your Helix Skimmer from Practical Garden Ponds

keeping the external pump primed with water

Works wet or dry

Aqua Ultraviolet® Ultima II Filters with 1.5" Inlet/Outlet Accessory the air switch may beThe 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