Description
ME 870S-6 3/4 BK CHECK STEEL
Marshall Excelsior 870S-6, 3/4" steel back check valve for LP gas service. Steel back check valve for LP gas 3/4" liquid service lines preventing reverse flow.

Marshall Excelsior 870S-6, 3/4" steel back check valve for LP gas service. Steel back check valve for LP gas 3/4" liquid service lines preventing reverse flow.
