Ready Stock Semi Sphere Air Bubble Stone Oxygen Ball Aquarium Fish Tank Diffuser Aeration Disc for Pond Bubbler

Flat bottom design ensure the stone place steadily on the bottom of tank.

An airstone, whose purpose is to gradually diffuse air into the tank and provide oxygen for fish to breathe, is a necessity to have around your aquarium if you are a lover of aquatic animals. It’s also a must have for Hydroponic and Circulation system. Pawfly air stones are made of high quality non-toxic mineral material. With high temperature sintering, stones are sturdy and durable, have high dissolved oxygen rate and create even and tiny bubbles rather than a limited number of large ones.