This new book of VGH M8 Chemical Agent Detector Paper contains 25 sheets and is a reliable tool for detecting leaks in your HVAC and refrigeration system. The paper is included in its original plastic bag and has not been opened. The detector is manufactured by Anachemia Limited in Canada in 1983 and has a lot number of 15. The VGH M8 detects VX and chlorine leaks and is NSN 6665-00-050-8529. It is a type of leak detector that is perfect for HVAC and refrigeration tools. The unit quantity is one and it comes in a category of HVAC and Refrigeration Leak Detectors, HVAC and Refrigeration Tools, HVAC and Refrigeration, Business and Industrial.