Dixon® Short Shank Suction Coupling, Series: King™, Coupling Fitting/Connector, 2-1/2 in Nominal, Female NPSM End Style, Steel, Plated, Domestic Dixon® FCSM250 King™ Short Shank Suction Coupling with Plated Iron Nut, 2-1/2 in Nominal, Female NPSM End Style, Domestic