Features: The Auto Three Way Exhaust Blockage Detection Device accurately checks if your vehicles exhaust system is blocked, assisting with timely maintenance and repairs. This detectors provides precise measurement and sensitivity, making installation and use easier. It is also durable and suitable for various car brands and models. Designed for auto repair technicians, car enthusiasts, and vehicle owners who need to maintain their exhaust system. Utilize this device in auto repair shops, car maintenance stores, or garages to effectively detect and address exhaust system blockages. Ensure smooth operation of your vehicles exhaust system with this reliable and user friendly detection device. It helps you identify and resolve blockages promptly. Specifications: Material: iron+brass Measuring ranges: 0-0.1Mpa Package Includes: 1xAuto Emission Obstruction Detectors note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.