Marineland Reverse Flow Powerhead - Replacement Sponge Prefilter

Under gravel filters perform best when water flow through the gravel bed is consistent and predictable, creating surface agitation for tank oxygenation. Air pumps and airstones can deteriorate or clog. As a result, they become noisy and ineffective...frequently requiring replacement and/or service.

Marineland Reverse Flow Powerhead - Replacement Sponge Prefilter deliver constant flow with fully adjustable aeration and increased surface agitation...and they remain silent at all times. The custom air valve regulates air flow, the air filter eliminates noise and dust, and the intake strainer keeps debris from fouling the impeller...that''s efficiency.

The Marineland Pengiun 550 Powerhead has a capacity of 170gph. The Replacement Sponge Prefilter is 6 inches long and 2 1/2" in diameter.

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