Nano Aquarium Air Stone Kit Fish Tank Bubbler High Oxygen Diffuser Air Stone Disk For Hydroponics Aquarium Shrimp Betta Tank

4 Free Accessories included This air stone set includes 2 inch Nano air stone 78inch airline tubing 1 control valve 1 check valve 1 suction cupbut air pump are not included High oxygen dissolved Upgraded version air stone Produces tiny and small air bubbles and creat double oxygen dissolving rate in your tank waterbulid an fairyland in your aquarium. ApplicationThis Nano air bubbler is quiet and durablefits for shrimpBettacichlids and all kinds of aquarium up to 50 gallon Easy to use and installSuitable for freshwater and saltwaterIt is weight enough to stay at the bottomDriven by 2W or larger wattage air pump. Warm Tips1. Clean tips: please clean algae or green on the disc once 3 weeks to avoid holes blocked 2. Please use a larger wattage air pump to drive it when you put the air stone underwater more than 40cm/15.75inch.