Heavy-duty flow meters are fully enclosed in a brushed stainless steel case. Ideal for industrial applications with flow rates up to 116 GPM and 250 SCFM. Used with industrial water and air service. Meters are graduated for direct reading of water and air. Flow meters come with FNPT end fittings for easy in-line installation. Wetted parts include borosilicate glass flow tubes, viton o-rings, and 316 Stainless steel fittings, guide rods, floats and float stops