Fire Escape Hood in Hard Case Application: protection against toxic fire-related gases, vapours and particles Usage time: min. 15 minutes Filter performance: CO P2 combination filter protects against toxic fire-related gases, vapours and particles Approval: according to EN 403:2004 for fire escape hoods, additionally tested for the use against H2S (at 2,500 ppm) in accordance with DIN 58647-7. Packaging type: Hard Case provides splash water protection (IP54), and has a viewing window to check the filter expiration date and the condition of the device. Total service life: 16 years when used according to the instructions for use and provided that the filter is replaced after 8 years