Quick view Regulator 1/8 Npt Fittin NOS15855 NITROUS OXIDE SYSTEMS MSRP: Now: $120.56 Was: Regulator 1/8 Npt Fittin NOS15855STD 140 PSICO2 Pressure Regulator - 100 psi Max - 1/8 in NPT Inlet - 1/8 in NPT Outlet - Aluminum - Blue Anodized - Each MSRP: Now: $120.56 Was: Quick view