From the pump to the poly line you will need a 1/4� male npt x 1/2� barbed fittingand for the 1/2� hose to 5/8 hose you will need a 5/8 x 1/2� barbed coupler

Goggle these things and it should put you in the right direction

Last edited by Bill Cody; 04/20/18 08:19 PM. Reason: spell correct