The Optrel TH3 particle filter is a high-quality accessory specially developed for the Swiss Air respiratory protection system. This particle filter provides effective protection against a wide range of harmful particles, including dust, aerosols, smoke and viruses. With protection class TH3 in accordance with the EN 12941 standard, the filter ensures high filter efficiency and is therefore ideal for use in demanding environments. The filter is equipped with a pre-filter that extends the service life of the main filter and improves the overall performance of the respiratory protection system. The Optrel TH3 particulate filter is a Class III medical device and fulfils the PPE regulation, which underlines its reliability and safety. It is designed for single use and is supplied in a practical packaging unit of one piece.