3M 7000126030 Probed Fit Test Respirator is a half facepiece reusable respirator made with high-quality thermoplastic elastomer (TPE) material. It is compatible with 3M Supplied Air Systems and can withstand rigorous usage due to its enhanced durability. The drop-down feature makes it convenient to wear and remove. This respirator comes with spare parts and has a test format of quantitative, ensuring accuracy in fit testing. It does not have accessories, a clip-on welding shield, or eye protection. However, it is compatible with a welding shield and has a silicone faceseal for a secure fit. The Cool Flow™ exhalation valve provides added comfort during use. The speaking diaphragm and enhanced comfort features are not included. This respirator has a 4-point harness for easy adjustment and provides protection without the need for maintenance. Overall, the 3M 7000126030 Probed Fit Test Respirator is a reliable choice for respiratory protection in various industries.