Air Flow Controller Two Way Air Pump Manifold Valve - 4/6mm Tubing Aquarium</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Allows the user to adjust the amount of air flow entering the aquarium.</li><li>The outlet air standard size for air line tubing aquarium (4/6 mm).</li><li>Hanger fits all standard aquariums.</li><li>Suitable for fresh or saltwater.</li><li>Will not leak up to 6.5 p.s.i.</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/41r50X4cufL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51mLaFfLLDL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41EqcRFV3vL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41TnrryT-WL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31%2B0nFkOLOL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41EqcRFV3vL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41%2BTucj8tvL.jpg' noproxy></br>