This gas and particle filter is equipped with a standard DIN threaded connection compliant with the EN 148-1 standard and can be used on full face masks with the same connection. It protects against organic and inorganic acid gases and vapors, sulfur dioxide, ammonia, and its derivatives. Classified as a class 2 filter for gases and class 3 for particles, it can be used to protect against harmful substances, solvents, toxic particles, and microorganisms. Standard connection (DIN) according to the EN148-1 standardIndividually packaged for vending machinesLightweight and comfortableCE certifiedCE-CAT IIISet of 4.