Sundstrom SR221 Pre-filter discs fit in front of the main particle and gas filters. The low-cost pre-filter sorts out coarse wet and dry particles, protects the main filter and prolongs the filters service life.
Used in conjunction with Sundström SR100, SR200 and SR500 respirators.
102 mm diameter; 1 mm thick
Fits into the pre-filter holder of all Sundström non-threaded main filters (gas and particle)
Store at room temperature in clean, dry place
If seal has been broken, store away from contaminants in an air-tight container
Shelf life is 10 years if seal is unbroken
Compliance: Approved to AS/NZS 1716:2012
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