30mm Ball Aeration Airstone, 1 Inch Round Air Stones For fish tanks, aquariums, aquatic environments and ponds. 30mm Ball Aeration Airstone comes in a value 4 Pack. PondH2o’s High quality round air stone provides micro bubbles of oxygen. Easy to use, simply attach to silicone airhose and attach to air pump. Airflow dependent on depth of Pond (aquarium) and output of air pump. Fitting for all standard airlines. Clean or replace your airstones often for maximum airflow.
Air stone Aeration stones are called airstones, discs, bubblers or diffusers and come in many shapes, sizes, colors and coarseness levels. Usually made of lime-wood or a porous stone. Its main purpose is to gradually diffuse micro air bubbles through your water with the help of a pond pump and tubing. They do not clog and give a better distribution of air with finer bubbles than other types of aeration systems. Spherical and cylindrical shaped airstones are also available in a range of sizes. Sintered or regular airstones are very durable and extremely easy to clean. They are safe for all types of lakes, ponds, fresh water aquariums, salt water or marine fish tanks.