Harpco L37-343 Pressure Regulator. New.

Harpco Pressure Regulator 4600S0001. New. Johnstone Part# L37-343. Convertible LP/NAT 1/2' x 1/2". Harper Wyman Co.  H9944. 17510P004-60/00, 1/2 P.S.I.G. 4673G0001D. SET4 NAT& 101P. 4600 S.