Dixon® Thor Interchange Coupler, Series: P Series, 1/2-14 Nominal, MNPTF, 2.98 in Length, 300 psi, -40 to 250°F, Steel, Trivalent Chrome, 1.55 in OD, Domestic Dixon® 4PM4 P Series Thor Interchange Coupler, 41641, MNPTF, Steel, Trivalent Chrome, Domestic