HD709S Mask synthetic blood penetration tester Features: 1. Color touch display, friendly man-machine interface, easier and more convenient operation.2. There is a specially designed overall water tank and discharge system on the spraying area, which can avoid polluting other working areas and facilitate cleaning work.3. The special sample fixing device can simulate the actual use state of the mask and leave a test area.jhyty https://www.qinsun-lab.com/News-and-events/1999.html