This 3M 6800 Full Facepiece Respirator is a top-of-the-line mask replacement cartridge that ensures maximum safety and protection. The cartridge is designed to fit perfectly in the 6000 series 6800 mask, providing a comfortable and secure fit for all-day wear. The cartridge is made by 3M, a trusted brand that is known for producing high-quality personal protective equipment (PPE). It has a filter class of OV and an expiration date that can be found in the description. This unit quantity includes one cartridge, making it a great choice for those who need to replace their mask cartridge. Please note that, some box damage, however item is new and not damaged.