uxcell Aquarium Fish Tank Bubble Air Stone Pump Oxygen Creator Bread Desigh</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>PatternName: 3.15"(80mm); Color: Gray; Product Name: Aquarium Air Stone</li><li>Material: Mineral; Net Weight: 218g; Total Size: 3.15" x 2.36"/ 80x60mm (D x H); Model: NAL-033</li><li>Made of mineral material， it effectively create water currents and dazzling underwater scenes.</li><li>Creates bubbles in fish tank while attached to an air pump(Not Included).</li><li>An ideal tool to add oxygen to your hydroponic growing 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/41VI8BJOpeL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41KbJTUSRAL.jpg' noproxy></br>