This disposable temperature probe box of 25 is available for use with Datex Ohmeda: 2001 IWS, 3000 IWS, 3300 IWS, 3400 IWS, 3500 IWS, 4000 IWS, 4400 IWS, 5000 IWS, Care Plus 1000, Care Plus 2000, Care Plus 3000, Care Plus 4000, General Care (GC) Incubators, Ohio Infant Care (IC), Panda Infant Warmers.