Pro 4 Submersible Powerhead For Undergravel Filters

The Pro 4 Powerhead incorporates the most advanced water pump technology to provide powerful, yet silent, water flow through all under-gravel filters. Uniquely designed with an integrated Flow COntrol that adjusts both the added air stream from the Venturi as well as water flow from the unit. The Floating Impeller Insert ceramic shaft provides perfect alignment resulting in silent operation and reduced wear for extended life. The Pro 4 Powerhead offers the highest flow rates available in its class, increasing biological filter efficiency for better nitrification and overall improved water conditions.