Sundstrom SR 221 Pre Filters pack 5

SUNDSTROM
Pre-filter SR 221
Pack of 5 filters
Product Description
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, SR 610 P3 R, SR 710 P3 R, combined filter SR 299-2 ABEK1-Hg-P3 R and SR 599 A1BE2K1-Hg-P3 R.
The pre-filter is placed in the pre-filter holder and then snapped on to the particle filter or combined filter.