The MSA GME-P100 Multigas Combination Cartridges 815182 are high-quality replacement cartridges designed for use with MSA respirators. Manufactured in the United States by MSA, a trusted brand in personal protective equipment, these cartridges are filter class P100, ensuring superior protection against airborne contaminants. This lot of 4 cartridges is ideal for industrial settings where both multigas and particulate protection are needed, providing a reliable and efficient solution for maintaining safety and health in the workplace.