explain more the "dual gas"
is it
(a) 2 seperate regulators, a primary and secondary?
(b) a regulator with dual guages, tank presure and gas out
(c) a regulator with 2 outlets for splitting the gas out
(d) a regulator that handles 2 different gases (not heard of one)
do you know what JG fitting is needed for reg to 3/8 od line