VAYINATO Aquarium Sponge Foam Internal Filter with Quartz Ball for Fish Tank 10-40 Gallon Power Aquarium Filter(Mechanical Filtration for Salt Water and Fresh Water)
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High density microporous biochemical cotton filtration with honeycomb structure has good water permeability and powerful filtration, effectively intercept and filter fine impurities in water decompose toxic impurities in feces to purity water quality.The hollow quartz ball filter material with good hydrophilicity and high quality can effectively absorb with decomposition of harmful substances in water, High-efficiency dissolved oxygen culture biochemical ball, Oxygen continuously dissolved upwards through the hollow quartz ball , it's easy to cultivate high-density beneficial bacteria for your aquarium pets.
