11” WC low pressure regulator needed to run all Dickinson/Newport low pressure propane appliances. The fittings kit consist of a ¼” NPTM x POL tank fitting and a 3/8” NPTM x 3/8” Flare fittings to connect a hose to the regulator and the regulator to a standard tank. The regulator inlet is 1/4″ NPT and the outlet is 3/8″ NPT