DRK371-II Medical Mask Gas Exchange Pressure Difference Tester is a high-quality testing equipment designed to measure the gas exchange pressure difference of medical masks. It helps in evaluating the quality of the mask, especially in terms of air permeability and breathability. As a factory, we ensure that our products are made with the highest technical standards and are reliable, durable, and accurate. Our testers have been tested and approved to meet industry standards, and we are committed to providing our customers with high-quality equipment at competitive prices. Trust us to provide you with the tools you need to ensure the safety and quality of your medical masks.