"Ensure hygienic lung capacity tests with our disposable spirometer mouthpieces! Designed for universal compatibility with most spirometers, these single-use tips eliminate cross-contamination risks during fitness exams, medical checks, or school assessments. Each latex-free and BPA-free mouthpiece provides a secure seal for accurate results. Ideal for clinics, gyms, and educational institutions needing bulk sanitary solutions. Pack includes 50/100 pieces with eco-friendly storage bag."