Описание товара на английском языке:
High porosity air stones for diffusing air into aquarium water. High production quality for longer life.Produces even flow of fine bubbles, for efficient oxygenation of aquarium water.
Suitable for all air pumps using standard air-line , including the Tetra tec range. Simply push the air-line onto air stone. Position at the base of the aquarium for maximum oxygenation of the waters.