Penguin 100B Bio-Wheel Filter
Filters 100 gph., for aquariums to 20 gal. Penguin filters provide mechanical filtration to remove dirt and debris, chemical filtration to remove dissolved organics, and biological filtration to eliminate toxic ammonia and nitrate on contact. Total three stage filtration, classic wet/dry design with a self starting operation. UL listed, leak-proof, one piece construction, and quick change cartridge. Made in the USA.
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