Zacro 6.5 feet Standard Airline Tubing Air Pump Accessories With 2 pcs Bubble Release Air Stones and 2 pcs Air Valves for Aquariums Air Pump</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Air pumps accessories， perfect match to your fish</li><li>2m/78.7inch length， 0.2 inch tube diameter， easy to clean the airline tubing</li><li>2 pcs bubble release air stones and 2 pcs air valves， diffuses oxygen efficiently and smoothly in you</li><li>Perfect match air pump accessories， safe for fish and good for fresh or salt water environments</li><li>Tips: To prevent the water backflow and pump damage， the out port must connect to the air stones</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/41EPIl4KytL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41YIaVK0LLL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41swtQHJ8jL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/61IpKq7EzvL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51gVnl2k03L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51yZ89-KGyL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/510xj7ztojL.jpg' noproxy></br>