This lot of 10 3M 60923 replacement respirator cartridges are designed to protect against organic vapors and acid gases, making them ideal for use in a variety of industrial settings. The filter class is P100, ensuring maximum protection against airborne particles. These cartridges were manufactured in the United States and have an expiration date of 06/2028. The brand name is 3M, a trusted name in respiratory protection. This lot of cartridges is perfect for use in masks and respirators, and is a must-have for anyone working in facility maintenance and safety. LOT OF-10 Pair Of 3M 60923 Organic Vapor/Acid Gas Replacement Respirator Cartridge/Filters NEW.