NRV Valve Set of 5 (Short Type)/Optimus, Radius, Primus Non-Return Valve

Primus, Radius, etc. Optimus: 1200, 200, 930, etc. Optimus: Nova, 111, 111C, 111 Hiker, 00, 45L. replacing this check valve If pumping does not go smoothly even after replacing the pump cup. replacing this check valve will often smooth out the process.

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