These pre-filters are for use with selected Sundström respirators and can reduce clogging by removing large particles, thereby helping to extend the service life of the filter.

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• Pre-filter for use with the Sundström SR 500 powered respirator, SR 200 full-face respirator mask, and SR 100 and SR 90-3 half-face respirator masks
• Can extend the service life and reduce operating costs of the main filter by capturing large particles
• Frequently changing the pre-filter may help optimise mask performance
• Can be used with particulate and combination filters (available separately)
• For use with a pre-filter holder (available separately)
• Parts should be checked regularly for signs of wear and damage, and replaced when necessary