- Applicable Models: Can be used as a replacement for Braun Thermometer Covers and are suitable for all common Braun Ear Thermometer models including Thermoscan 7 Irt 6520, Braun Thermoscan 3 Irt3030, Irt3020, Irt4020, Irt4520 and Irt6020. - Hygienic: Our disposable covers minimize the risk of transferring germs and contamination. For optimal hygiene and accurate readings, lens filters should be replaced after each use. - Superb Material: Our Ear Thermometer Covers are 0% BPA, 0% Latex and 100% recyclable. - Reliable and Accurate: Filters protect the lens of the tympanic thermometer from scratches and impurities, which could affect temperature readings. - Operating Method: First clean the thermometer probe. Place the thermometer covers. Put them inside the ear to measure the temperature. Remove the thermometer probe cover into the container.