uxcell 10 PCS Air Stone Oxygen Bubble Aerator Pump Hydroponics for Aquarium Fish Tank</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Color: Black，Gray; Package Content: 10 x Aquarium Air Stones</li><li>Material: Plastic，Mineral; Net Weight: 207g; Model: NAJ-101</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/51yyRUxKuFL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31BxL%2BDkmmL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41gT-lCtFIL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51fFWQ723oL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/61-uD74XL0L.jpg' noproxy></br>