TENOB product. Made in NZ with pride. Nitrile diaphram non return valve. Unaffected by fuel and oil. Drill a 41mm mounting hole (same as large Tenob bung). Flow rate: 500 litres / hour. Comes complete with screw plug. "EXT" Version mounts from outside. "INT" version mounts from inside of Boat for ready access to plug. Ideal for inflatables and dinghies.
THIS PRODUCT IS PROUDLY MADE IN NEW ZEALAND TO EXACTING STANDARDS