Pawliss Aquarium Air Stones Fish Tank Bubbler Ceramic Airstones</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Diffuses oxygen efficiently and smoothly in your fish tank.</li><li>Fits most air pumps. Connector size: 18mm x 28mm (D*H)</li><li>Durable and sturdy material. Safe and non-toxic to your fish.</li><li>Size: 18mm x 28mm (D*H) * pack of 10</li><li>Keep your fish healthy and energetic.</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/51YwixrZkrL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41Wj8SZor6L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41-Ws1M1qZL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/418%2B9rPuCsL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41ot7HSKz3L.jpg' noproxy></br>