PREMIUM GRADE 8 Inch Round White Sand Air Stone Bubbler Diffuser with Suction cups! Aquaponics • Aquaculture • Hydroponics • Ponds • Aquariums by Cz Garden Supply (8 inch)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Aquaponics • Aquaculture • Hydroponics • Ponds • Aquarium use</li><li>8" Round air stone -10 inches long including metal inlet x 1.25 inch high"</li><li>Strong Metal Air inlet supports 3/8" ID tubing</li><li>3 Suction cups stick to surfaces to prevent stone from floating!</li><li>Micro-pore design aerates， circulates， and extends the life of your nutrient solution while promoting healthy roots and exceptional growth!</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/41jjIROenPL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41ZcMtsZXyL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/414OFKCHFgL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51vf3nkFtLL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41dgFZUNltL.jpg' noproxy></br>