Part #: M2-X-MAN-42E-L (LN for nitrogen)     Rebuild Kit #: M2-REG700-RK

Part #: M2-X-MAN-42E-R (RN for Nitrogen)     Repair Kit: M2-REG700-RK

Part #: M2-SHUTV-LP (HP for Nitrogen)

Repair Kit: M2-X-LPV-RK for Oxygen, Med Air, Nitrous Oxide & Carbon Dioxide
M2-X-HPV-RK for Nitrogen