Description
This air stone disc set is made of non-toxic, durable and flexible material, easy to use, connectors and check valves can protect you air pump by preventing aquarium water from back siphoning during a power outage. Suction cups can stick tightly to the smooth fish tank, complete standard set of aquarium accessories for most air pump. Easy to use: Air stone disc with shell and sucker can produce fine bubbles for oxygen replacement and lower CO2 levels, safe for fishes to live in. According to the
