This 3M P100 Particulate Filter is a high-quality replacement filter that is designed to fit into a variety of masks and respirators. It has a 3M ID of 70070710945 and a filter class of P100, ensuring maximum protection against particulates. This filter also has an expiration date of 2027, making it a great choice for long-term use. It comes in a pack of 50, providing ample supply for extended periods of use. The product is made in the United States and is a custom bundle product with model number 2097/07184. you will receive a case of 50 pks total of 100 filters completely sealed just EXPIRED 10/2023