Aqua Pro (20818) 1/2" x 1/2" Lead Free Male Check Valve
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<b>[Product Information]</b><br>
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<li>1/2 Inch Male Pipe Thread x 1/2 Inch Male Pipe Thread</li>
<li>Direct replacement for Marshall Brass and for Hydronamic Products</li>
<li>Made of non-toxic, food-grade materials</li>
<li>Certified to IAPMO and NSF standards</li>
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