oxygen meter box-dy08 -- m flow adjustment is stable, the material is corrosion resistant

【Oxygen Meter BOX-DY08--M】Accurate readings, safe and durable! Equipped with a high-precision copper core valve core for stable flow adjustment and corrosion-resistant materials. Features an explosion-proof safety valve to eliminate leaks, designed specifically for household and medical oxygen supply. Easily solves the problems of inaccurate oxygen therapy readings and air leakage. Compact and portable, easy to install, ensuring peace of mind every time you use oxygen.