Feature:* The use of environmentally friendly high-level sponge as a filter* The use of the air pump (to be purchased separately) outlet access to the goods can be air intakes.* To achieve clean and good water quality stability, effective oxygen and water quality filtration.* Ultra-fine filter holes can effectively filter harmful bacteria and suspended solids* Keep the water clean and thorough.* Increase oxygen, fully dissolved oxygen pump into the fish tank to improve fish survival.* Suitable for all kinds of Ornamental fish breeding, breeding, young fish to develop* Especially for the Discus fish, small fish, fry effect is remarkable.Brand: XINYOUmodel=XY180model=XY280model=XY380