12 Inch (30cm) Large Pond Airstone. Requires Airpump to operate, gives large volume of diffused Air Stainless Steel nipple. 12 Inches or 30cm Long. Sintered to 1000 Degrees for Fine Bubbles to increase aeration efficiency. Easy to Use. Fits 1/8th (4mm) to 5/16th (8mm) Airline Fittings. 12 Inch (30cm) Large Pond Airstone is very durable, washable and sintered by high temperature. Creates water currents and underwater scenes, bubbles in fish tanks, aquariums, and ponds while attached to an air pump(air pump is not included). The airstones add oxygen to the water, as the bubbles aerate the water they also help circulating hydroponic nutrients invigorating the roots of plants and boosting healthy growth. Making for HAPPY fish…Bumper bars keep stone off bottom of pond, Long Lasting AquariumH2o Quality.
Airstone Aeration stones are called air stones, 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.