The SR 221 prefilter should alwasy be used together with particulate filter, chemical cartridges and combined filters. The prefilter protects the main filter against premature clogging by larger particles, for example dirt and dust.
Non-classified filter designed to prolong the life of the P100 particulate filter
Mechanically woven Polyester
Frequently exchanging the prefilter will prolong the life of the P100 particulate filter by catching larger particles and preventing premature clogging
The SR 221 prefilter should alwasy be used together with particulate filter, chemical cartridges and combined filters. The prefilter protects the main filter against premature clogging by larger particles, for example dirt and dust.
Non-classified filter designed to prolong the life of the P100 particulate filter
Mechanically woven Polyester
Frequently exchanging the prefilter will prolong the life of the P100 particulate filter by catching larger particles and preventing premature clogging