U.S. federal trademark · Serial No. 88452460 · Reg. No. 5899366
Aquarium filtration apparatus, namely, porous rocks for filtration containing bacteria that consume waste products, such as nitrogen and other detritus, of fish and other living creatures in water, for improving water quality; Materials to be added into a living aqueous environment, such as a fish tank, to provide a better environment for living species in the living aqueous environment, namely, aquarium filtration apparatus
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