4-digit fuel transfer meter is equipped with NPT threads and is designed to register 2 to 35 gallons per minute at +/-1% accuracy. This meter bundle includes (2) 0.75 In. reducer bushings. The digital fuel meter is extremely accurate, durable, and can be installed both in-line at the nozzle or mounted directly at the pump. Factory presets for use with 20 fluids and UL/ATEX listing on the entire meter.