Optrel® Swiss Air TH3 Particle Filter with Pre-Filter (20 Pack) 4088.430Pkg. of 20 -
Genuine Optrel® HEPA (TH3) filter cartridge and pre-filter for your Swiss Air PAPR (Powered Air Purifying Respirator). The TH3 particulate filter removes 99.8% of welding fume particulates, smoke, aerosol and dust. The pre-filter removes larger dust and debris to extend the life of the particle filter.
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