Description
ME 870-6 3/4 BACK CHECK
Marshall Excelsior 870-6, 3/4" back check valve for LP gas service. Brass back check valve preventing reverse LP gas flow in 3/4" liquid service lines.

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