The 3M 2097 Particulate Filters are high-quality replacement cartridges designed for use with 3M respirators. Made in China, these filters are specifically designed as P100 filter class to provide efficient protection against dust, allergens, and other airborne particles. With a lot of 50 pairs, these filters offer long-lasting durability and reliability for personal protective equipment needs in various industrial and professional settings. Lot of 50 pairs containing 2 filters per pair.