[Fish Bubbler]: 4 inch air stone disc is a great way to add oxygen to your aquarium, fish and circulation system
[Material]: Made of emery material with high temperature sintering process, these disc air stones are sturdy and , they can produce fine bubbles for oxygen replacement and lower carbon dioxide levels, for fishes to live in
[Widely Application]: The aerator diffuser is suitable for ponds, fish , freshwater, saltwater, aquariums and other systems, keep fish and roots of plants and promote plant growth
[Easy to Use]: To immerse the dispersion tool in water for short time.To connect to air hose and set it horizontally; Need to purchase another air pump, tracheal are used together
[100% Satisfaction]: If you have any question about this item, please feel to us, we will help you within 24 hours on week days
