[Recyclable Materials] - Aquarium Bubbler High temperature sintered bubbles of high temperature sintering which differ from stone the General features of the bladder, and the material of the durable, use replacement for a long time. [Long Period] - replacement bulb for aquarium It can be used longer, if it is enough, if you clean the tool surface often. The 2-way connection head allows easy connection with a smooth port head. [As Tool to Use] - Aquarium bubbler immerse the dispersion for a short time in water.To connect the hose to air and horizontally.Needed to buy another air pump, tracheal are used together. [Compressed Material] - Air diffuser aquarium air stone aquarium bubbler replacement for aquarium This aquarium air stone made with high quality materials. These air disc used FEIN compressed material, so that the bubble small.