Filters

This pre filter holder is used with the Sundström SR 221 pre-filter in combination with gas, particle, or combined filters. It is also suitable for use during fit testing. Manufactured from durable polypropylene and supplied in packs of five, it is designed for long-term use with a 10-year shelf lif..

Protects particle filter against early clogging of particles.Sundström Pre-filter SR 221 is a disc that is meant to catch coarse particles and by that extend the lifetime of the particle filters SR 510 P3 R and SR 710 P3 R, combined filter SR 299-2 ABEK1-Hg-P3 R and SR 599 A1BE2K1-Hg-P3 R. The pre-f..