Filter

Filter	Proper Storage
Factory sealed gas or combined filters:	• –5 to 50 °C, max. 90 % relative humidity for long-term storage • Storage life: See information on the filters (pictogram "Hourglass")
Opened gas or combined filters that are to be reused:	• In a closed plastic bag • +5 to 35 °C, max. 60 % relative humidity • Storage life: replace 6 months after first use at the latest!
Factory sealed particle filters:	• –5 to +50 °C, max. 90 % relative air humidity (see pictograms) • Storage life: See information on the filters (pictogram "Hourglass")
Particle filters that have been used against radio active substances, micro organisms or bio chemically active substances:	• Single use only, do not reuse! No further storage.

Factory sealed and properly stored MSA respiratory filters are maintenance free.