Harris Three N2 Dewar Source x One Freezer with One Liquid N2 Withdrawal Port CGA 295 4703013 Water Cooler The MK Products Collet 5003 double seal system The MK Products Collet 5003 Flush 1 IN NP is a precision engineered collet designed for optimal wire feeding performance in compatible MK Products welding systems A specialist Lincoln parts catalog independently lists the same identifiers and component name The safety relief valves are extended to a height ensuring they do not become encased in ice if manifold develops exterior ice coating The manifolds have cryogenic service safety relief valves to prevent the pipe failure if liquid nitrogen becomes trapped between shut off valve and the freezer solenoid valves