Each individual pack has 2 filters. The 3M 60926 Multi Gas Vapor Cartridge Filter is a set of 2 high-quality filter cartridges designed for use with respirators to provide protection against various gases and vapors. The cartridges are classified as P100, indicating they offer the highest level of filtration efficiency. With an expiration date of 09/2029, these filters are suitable for long-term use in industrial or personal protective equipment applications. The 3M brand ensures reliability and performance in filtering out harmful particles and contaminants for a safer breathing environment.