Hayward Air Relief Valve
<div style="text-align: left;"><strong>[Product Information]</strong><br>
<ul>
<li>Black color</li>
<li>Air Relief Valve</li>
<li>Directional vent valve with O-ring</li>
</ul>
</div>
<img src="http://ecx.images-amazon.com/images/I/41HscrQiMqL.jpg" noproxy>