John Guest Speedfit PPM0408W 5/16OD Union Connector, 10-Pack
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<b>[Product Information]</b><br>
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<li>No tools required</li>
<li>Works with copper or plastic tube</li>
<li>Provides a permanent/removable leak-proof connection</li>
<li>Lead free</li>
<li>Corrosion free</li>
</ul>
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<img src='http://ecx.images-amazon.com/images/I/31u3xbVUZ%2BL.jpg'></br>