hygger 4 Inch Aquarium Air Stone Kit, Fish Tank Bubbler, Round Air Disk Set for Hydroponics, Small Bubbles, Ultra-High Dissolved Oxygen…

Description

Hygger round disc air stone is made of high-quality alundum & brown alumina, fired at a high temperature of 1300 degrees Celsius.The air diffuser area is very smooth and exquisite, the air pump to run this must have certain pressure. This kind of air bubble stone has the following features: 【Ultra-high dissolved oxygen】 this high-quality aquarium air stone releases bubbles more smaller, denser, uniform, which makes double oxygen dissolving rate in water, the more air goes into the water, the fis