T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black FRS/GMRS Radios Charges engine starting batteries before

Charges engine starting batteries before combining auxiliary bank for charging

Stainless steel mounting hardware

Fabric Waterproofer - 1 Gallon

5" - Hole size: 4

T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black FRS/GMRS Radios Charges engine starting batteries beforeDouble Barb Inline Scupper Check Valve 1 1 8" 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 Manufacturer : T H Marine Supplies Manufacturer Part No : ILS 1200 DP UPC : 733572065008