Dynarex Saliva Ejectors - For Dental Use - Disposable - Non Sterile - White with White Tip&nbsp;- 100 Count (Pack of 10) PLACEMENT of aspiration holes prevents contact with tongue and tissues to avoid becoming blocked. FEATURES efficient suction, and patient comfort with non-clogging technology. SHAPE and stay feature helps keep the suction where it is needed. NOT made with natural rubber latex. DYNAREX was established in 1967, and has evolved into one of the healthcare industry's leading manufacturers of disposable medical products.