2PCS 3AN 4AN 6AN 8AN 10AN 12AN Male to Male Reducer Coupler Hose Adapter Fitting
2PCS 3AN 4AN 6AN 8AN 10AN 12AN 16AN Male to Male Flare Coupler Union Straight Fuel Hose Adapter Reducer Fitting Aluminium. Size 2- The thread size of the 3AN is 3/8-24 UNF, And the thread size of the 4AN is 7/16-20 UNF.