Pre-Filter SR 221 USA
This Pre-filter is a disc to catch coarse particles. This extend the lifetime of particle filters. This Pre-filter is designed for use in Sundström full masks, half face masks and the SR 500/ SR 500 EX/SR 700 fan.
H02-0121
SR 221 Pre-filter is placed in the prefilter holder, after snapped on to the particle filter or combined filter.
Specifications
Material
Polyester
Temperature
14 to 131 °F (-10 to +55 °C), < 90 % RH
Height
1 mm
Diameter
102 mm