Mityvac Pressure/Vacuum Tester -10 to +10 Water Column. SafetyTech part number M-30065-001. Includes Pump, Tubing, 2 Inlet Plugs, Air Flow Indicator, Blocking Plug, O-Rings, AN Type Outlet Cap, Schrader Type Outlet Cap, and Insulated Carry Case. MVA6176 Gauge. Built to US Mil-Spec and is Aviation Quality. This kit originally sold for $420.00. National Stock Number 4240-01-497-5068. 14578 1WH1C-PR