Features:

Bubble stone Commonly known as diffuses stone (Sha Tau), a durable, good aeration, filtration, and widely used:A sewage plant for
aeration and
Stirring to prevent large particles of sediment deposition, and removal of some organic matter.
Aquarium (fish farms) strophic water body increase into the environment, bio-farming increase
Live fish and seafood transport increase .
Aquarium (purifiers) purification, filtration and water quality and aeration.
Other required air diffusion process uses.
Artificial Plant only,other accessories in the picture is not included!