Optrel® Swiss Air TH3 Particle Filter with Pre-Filter 4088.400Pkg. of 1 -
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.