Check the listing for details. PVS-14 Purge Kit. Condition: New. Listed at 164.99 USD. This PVS-14 Purge Kit will work on any MILSPEC PVS-14 or PVS-7. It is the most cost effective solution to purge your night vision device. Although nitrogen is typically used, kit has been optimized to use pure welding argon as a back purge gas. For those that have access to welding argon and already have a tank and regulator with a 5/8-18 welding hose, simply attach to this kit and you are ready to purge. Kit includes: - genuine mityvac pump - full manifold with valves - PVS-14 purge adapter - machined in house to careful tolerances - overpressure valve - 5/8-18 female welding gas adapter - instruction manual and schematics Kit does not include: - back purging gas (Argon tank) - regulator - night vision device Machining and assembly is done all in house in the USA from sourced parts. Will not ship outside of the USA, no exceptions. Any international orders will be immediately cancelled. Please feel free to reach out with any questions before buying!