FT Pro 3/8inBSPT 100mm Vacuum Cntr Bk Cnnct Gaug - VG100-01T 3/8" BSP Tapered Male, Vacuum, Centre Back Connection, Dry Gauge, 100mm Dial Diameter, Gauge Pressure -30 Inches of Mercury, Maximum Working Pressure -1 bar, FT Pro GBP 44.99 1