Owncons Air Stone Bubble Mineral Airstones Diffuser for Aquarium Fish Tank Hydroponics Pump</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>2 Pack of Air Stone， 2.4" in Diameter by 2" height;</li><li>Fits for 0.16"/4mm inner diameter tube;</li><li>Jetting Volume: 12L/min， Suitable for 16-32 inch fish tank;</li><li>This Air Stone Bubble with Round surface and flat bottom make the stone place steady;</li><li>This Air Stone Bubble add oxygen and lower CO2 levels to your fish tank， aquarium， hydroponic and circulation system.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51i364oCnQL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51QcG9DgbYL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51Bud3TIvoL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51VeUBaQinL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51ZUdUMTLfL.jpg' noproxy></br>