Tested and approved according to DIN 58647-7-ABEK 10. The operational time is at least 10 minutes. Due to the uniqueness of the mouthpiece set (mouthpiece and nose clip), the device is well-suited for all potential users, including those who wear glasses or have beards. It features a very compact plastic housing (10x9x6 cm) with a total weight of only about 220 g. The practical and hygienic plastic case with an integrated belt clip allows for easy transfer between different users, such as employees and factory visitors. It includes schematically represented flow pictograms. The innovative filter technology enables a long service life for the filter. This maintenance-free mini escape filter device ensures your safety in the event of sudden and unexpected releases of hazardous gases and vapors. Additional technical specifications: Protection level: ABEK 10, feature: operational time min. 10 minutes, standard: DIN 58647-7.