Filtering Escape Device BLITZ 10The maintenance free mini Filtering Escape Device ensures your safety in case of sudden and unexpectedly eruptions of hazardous gases and vapors. The easy donning within a few steps distinguishes our BLITZ 10. Therefore, the user is able to escape quickly and save from hazardous environments. according to DIN 58647 7 ABEK 10 tested and approved operation time: approx. 10 minutes on the basis of uniqueness mouthpiece assembly (mouthpiece and nose clip)