Bracket for holding RO membrane and metal base, qty of 2. Diameter 2.5"
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<b>[Product Information]</b><br>
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<li>To attach RO membrane housing with metal base.</li>
<li>Fit to standard 36-150 GPD membrane housing</li>
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<img src='http://ecx.images-amazon.com/images/I/31FZN0DSxpL.jpg'></br>