This load genie has a 1/4" FNPT inlet and a 1/4" MNPT outlet and is used to unload discharge manifold in either a vertical or horizontal position of any compressor when compressor cycles and flow stops. This combination un-loader and check valve is efficient, quiet, economical and eliminates tubing/fittings of conventional pressure switch un-loader. With a maximum of 250 PSI, this load genie comes with a range of 1 to 6 SCFM.