Keep patients safe with ADC’s 416-100 Disposable Thermometer Sheaths. The thermometer sheaths are affordable and convenient. Not only do they reduce the risk of spreading infections from one patient to another, they are even easy to apply. The non-sterile sheaths can be used for oral or rectal thermometers. Disposable Thermometer Sheaths fit all ADC digital thermometers as well as most similarly shaped digital thermometers made by other manufacturers.