Dixon® Surelock™ Quick Connect Coupler, Medium Head, 1-1/2 in Nominal, Quick Connect Coupler x FNPT End Style, 200 psig Pressure, 70°F, Iron, Domestic Dixon® Surelock™ SL150F Medium Head Quick Connect Coupler, 1-1/2 in Nominal, Quick Connect Coupler x FNPT, 200 psig Pressure, Iron, Domestic