ISTA Undergravel Filter 11.8" X 5.9" Fish Tank Under Gravel Filter
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<b>[Product Information]</b><br>
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<li>Circulate the water under gravel layer in order to reduce the corruption of gravel.</li>
<li>The gravel bed provides tremendous surface area for Nitrobacteria and keeps your water crystal clear.</li>
<li>The filter plate can be connected with air pump, filter pump, submersible power head and hang-on filter to increase the circulation and help with mechanical and chemical filtration.</li>
<li>Adjustable lift tube can be modified at your desire height. Silence design tube head can reduce noise.</li>
<li>Air stones will not stock or collapse. Works freshwater and saltwater tanks</li>
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