Skyzone Air Stones for Aquariums,4cm Bubble Release Airstone Fish Tank Oxygen Stone Disc Diffuser Tool Pumps Tanks Buckets Small Ponds(Pack of 4)

🐟〖Non-Toxic Minerals Material〗Air Stones are made of high-quality non-toxic mineral material and sintered at a high temperature, and the stones are strong and durable.Great for aeration in a DWC reservoir. Help keep fish or roots growing healthily. 🐟〖Size of Airstone〗Each disc measures 4 cm D x 1.5cm H.Fit for use in fish tanks, aquariums and small ponds.Its round and flat shape always allows it to sink to the bottom and lie steadily in the tank.Recommended air pump power: 2 W - 4 W; Standard ID airline tubing: 0.5cm. 🐟〖Providing Oxygen〗Connect it to the air pump and place it in the water so that the air pump can pump oxygen into the water.Ideal for adding oxygen to ponds, hydroponics and circulation systems and reducing CO2 content. 🐟〖Wide Application〗 These air stones can be used at fish tank,pond,aquarium,freshwater, saltwater aquariums, hydroponic, or in aqua farms.The small and dense bubbles produced by air stones can not only provide oxygen for fish but create beautiful and fairy bubbles scenes under water. 🐟〖 Great Gift Idea〗Air Stones provides oxygen for fish and is the best gift for aquatic animal lovers.