T-H Marine Double Barb Inline Scupper Check Valve – 1-1/2″ – Black

Double Barb Inline Scupper Check Valve – 1-1/2″ – Black

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. 

Features:

• Prevents Backwash
• Chemical Resistant Materials
• Thermo-Plastic Flapper