3M 7000002040 is a multigas respirator cartridge featuring compatibility with 3M PAPR Systems and 3M Supplied Air Systems. It offers enhanced comfort with a silicone faceseal and six-point head harness. The cartridge provides protection against various hazardous gases, including organic vapor, chlorine, chloridric acid, chlorine dioxide, sulphur dioxide, hydrogen sulphide, ammonia/methylamine, formaldehyde, and hydrogen fluoride. It has a drop-down feature, clip-on welding shield, and cool flow exhalation valve. The cartridge is compatible with various respirators, including 3M Full Facepieces, Half Facepiece Reusable Respirators, and Scott AV-3000 Facepieces. Spare parts are available for maintenance.