Activated Carbon Filter Replacement Parts Reusable Filter Refill for Cycling Dust Woodworking Mask

الوصف

Activated Carbon Filter Replacement Set for Reusable Face Dust Masks4 layers activated carbon filter can filter out non-toxic dust, common airborne irritants, and other non-oil based particles. And it is compatible with most face dust sport mask in market.Ideal choice for Pollen, Woodworking, Mowing, Construction, Running, Cycling,walking, travelling and regular daily use to breathe cleaner. 4-layer skin and breathe friendly fabric provide you better using experience, made of activated carbon layer, sub-micron particulate filter layer, two non-woven fabric layers.Steps to change filter: First, Rotate the outer valve in a counter-clockwise direction to separate the filter and mask. Second, Align the new filter with the mask. Third, Align the inner valve with the filter and mask. Finally, Align the outer valve with the inner valve first, then rotate the outer valve more than 90 degrees in a clockwise direction to secure the mask.It is recommended that the filter should be replaced once it has been used for 40 hours or more frequently. And do remember to stick the soft nose pad on the filter by yourself if you need when you replace it.