Nitrous Oxide System - NOS Cryogenic Pumping Station No Electrical Hook-Up (14251NOS)NOS Cryogenic Pumping Station WARNING: Air supply should contain a water separator and be filtered to 10 microns Loose connections will result in high pressure leaks and can cause serious injury or death due to displacing oxygen in room. Do no exceed 100 psi driving air pressure which can cause equipment damage and serious injury or death in the event of an explosion Do not use any compressor under 20 cfm. Quantity Sold as a kit Manufacturer's Part