HISIN Air Stone Disk 20cm Airstone

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. Air stones are made of high-quality non-toxic mineral material. With high-temperature sintering, these stones are sturdy and durable, have a high dissolved oxygen rate and create even and tiny bubbles.