Read more Aquarium Internal Filter Filter is the life support system for any aquarium. An Internal filter is easy to use and maintain. The carbon cartridge contains highly porous carbon that effectively removes odors, discolorations and impurities. The foam filter media provides effective and thorough mechanical and biological filtration, making your aquarium more cleaner and healthier. NICREW Aquarium Internal Filter NICREW internal filter, supported by powerful motion system, integrated filtration and pump into one. It absorbs the impurities, fish waste and odors, provides purified water after filtration, effectively solves problems of water turbidity, water not-circulating and insufficient oxygen supply.
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