OTO-R6.8B Otodynamics Eartips 6.8mm TEOAE + DPOAE. Blue. Otodynamics TEOAE + DPOAE 6.8mm eartips are compatible with UGD, SGD and SND probes for TE and DPOAE testing. A good probe seal is necessary for accurate otoacoustic emissions recording. This eartip provides the optimal fit for infant and larger newborn ears. Made for single patient use, these eartips should not be cleaned and reused. Latex-free. Single-use, disposable. Ideal size for infants and larger newborns. Distortion product eartips. Designed for maximum patient comfort. UOM: 100/PK.