Milton 727 1/4" MNPT M Style Plug, 40 SCFM 300 PSI, Pack of 2

Milton's 1/4" M style MNPT plugs are the industry standard style plugs. The Industry Standard M Style Plug. Plug M Style 1/4" Basic Flow Size. M Style with 1/4" male national pipe thread. Maximum air flow of 40 standard cubic feet per minute.