MARSHALL EXCELSIOR COMPANY 2 STAGE EXCELA-FLO AUTO CHANGEOVER REGULATOR 1/4IN INV FLARE X 3/8IN FNPT PKGD|MEGR-253P is built for reliability and performance for camping, travel, and everyday use. Designed for dependable performance in demanding outdoor conditions, MARSHALL EXCELSIOR COMPANY 2 STAGE EXCELA-FLO AUTO CHANGEOVER REGULATOR 1/4IN INV FLARE X 3/8IN FNPT PKGD|MEGR-253P helps you pack lighter and go farther.