Modular L-O-X Air Entry valve combines three elemental products into one: a filter, a regulator and a lockout valve. It complies with ANSI/PMMI B.155.1-2006 and ANSI B11.GSR standards with its full-size exhaust port and a verification port for visible pressure release indication. Conforming to lockout requirements, the L-O-X is lockable only in the off position.
