Diaphram rubber gauge protector comes complete with 2" NPT 1502 wing nut and female sub. Features:1) Single pointer pressure gauge systems monitor mud pump operations accurately and efficiently and detect potential problems2) Standard capacities include 7,000KPa, 14,000KPa, 21,000KPa, 35,000KPa, 42,000KPa and 70,000KPa, also available in PSI, MPa, and BAR capacities 3) Gauge protector comes ...