kathson 4.2-Inch Air Stone Disc Bubble Diffuser 8 PCS with Suction Cups Fish Tank Air Pump Round Dissolved Oxygen Airstone Decoration for Hydroponics Pond Aquarium Aquaponics

• 【PACKING AND SIZE】4.2 inch air stone disc is a great way to add oxygen to your aquarium, fish tank, hydroponic and circulation system.We have two kinds of packages for you to choose from,which are a set of 8 Air Stone Discs. 【STRONG MATERIAL】The product is made of high-quality, non-toxic carborundum material, which will not affect the water quality. If the product is blocked by sundries after a long time of use, the bubbles will become less. You can take the product out and clean it, and then you can continue to use it. 【INCREASES AIR FLOW】This product adds oxygen and circulates nutrients to your hydroponic systems, aquariums, ponds, fish tanks, koi ponds, plants, and other systems. It will help keep fish and plants healthy and conducive to plant growth.Each air stone disc is equipped with 3 suction cups to make it easily suck in the smooth aquarium. 【ORNAMENTAL】When used, the product produces a lot of bubbles, a lot of tiny bubbles will continuously appear, the bubbles rise to the top of the tank, the water will also follow the slight shaking, which will make your aquarium look lively, this product is also a good decoration. 【WIDE RANGE OF APPLICATION】Aquatic air pump accessories are suitable for hydroponic system, pond and fish tank.Either fresh or salt water can be used.It makes fish healthier and promotes plant growth.