consisting of:

Explosion protection valve with prefilter (ESV-VF 150)

Air flow meter with throttle valve (LM 150/300)

1 pair of flexible hoses with quick-release coupling 

Fan with 3x400 volt electric motor (standard version) and manual drive

including dynamo and emergency lighting (VA-40/75/150)

NBC Filter with HEPA Filter (U15) and 66 Liter of activated carbon

All parts tested and approved by the Swiss Federal Office for Civil Protection FOCP