NewReusable SpO2 Adapter, Nihon Kohden, tech M-tech, suitable for JL-631P (Masimo 3984), 3 mU710M-36R
NewReusable SpO2 Adapter, Spacelabs, Type M-tech LNOP, Compatible 2433 / LNOP PC-SL-12, 3,6mU711M-74RP