W744 - FatSac Manual Check Valve underwater lights Ports: 4 valves for flexible

Ports: 4 valves for flexible configuration

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W744 - FatSac Manual Check Valve underwater lights Ports: 4 valves for flexibleFly High Check Valve Quick Twist Adapter (W744) Upgrade your Pro X Series ballast bags with the Fly High Check Valve Quick Twist Adapter. This two part fitting replaces the standard Quick Twist Adapter, adding a check valve that prevents water from spilling out when disconnecting the pump. Its as easy to connect as the original but keeps your boat drier by blocking water flow during pump changes. Note: Use one adapter per ballast bag for best results.