iSpring ACV4 Check Valve for Reverse Osmosis Water Filter
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<b>[Product Information]</b><br>
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<li>Quick connect Union check valve features 1/4 inch quick connect fitting with plastic insert check vale</li>
<li>To be installed on the outlet port of membrane housing where pure water exits</li>
<li>Compatible with most reverse osmosis systems (including brand names) in the market</li>
<li>Prevents the flow of water back in to the ro membrane</li>
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