Aquarium Air Bubble Stone CO2 Diffusers Curtain Effect Fish Tank Ceramic Disk Generator Aerator with Suction Cup</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Create lots of thin bubbles in fish tank， make dazzling curtain effect</li><li>Tips: For better effects， we recommend that you use the air pump over 5W (air pump is not included)</li><li>Great to add oxygen to your hydroponic growing system: Increase oxygen levels， lower CO2 and raise PH</li><li>Suction cup makes the air bubble stone adsorbed on the tank firmly</li><li>Durable， great for home， office fish tank， ponds， aquarium and hydroponic nutrient tanks</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/314f0XVrQ0L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51cwE71gWFL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51FU6HS018L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51KhmU5J1qL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31KBf46L-6L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41bNK4xxZmL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/3126QzbAmtL.jpg' noproxy></br>