<p><strong>Double Barb Inline Scupper Check Valve - 1-1/2" - Black</strong></p><p>A great solution to provide a scupper check valve in the drain line.  Allows use of standard thru-hull fittings in the cockpit and on the hull exterior. </p><p><strong>Features:</strong></p><ul><li>Prevents Backwash</li><li>Chemical Resistant Materials</li><li>Thermo-Plastic Flapper</li></ul> <!--- cis2:m2lumJ1t --->