AUTOMETER ULTRA-LITE MECHANICAL WATER PRESSURE GAUGE -- 2-5/8 in.; 0 to 35 psi; Includes 10 ft. nylon tubing and 1/8 and 1/4 in. NPT fittings; Features red pointer for quick glance monitoring, rugged reliable performance, and precision movement and extreme accuracy; Recommends gauge mounting cup, gauge panel, mounting angle ring, and tachometer bracket.