February 2026 Flash Sale — filti Coupon Code

filti's mission is to provide products that truly protect consumers and front-line workers. They are applying for a patent, Nano fiber material can filter 95% of air particles (0.3 microns), including bacteria and viruses. Filth’s Nano fiber technology can be used in their mask materials, sheets or pre-cut inserts, and finished masks. filti's technology is now available in their revolutionary residential HVAC filter. All products are sourcing, designing and manufacturing in the USA. For example, its dirty face mask, Filth’s 3-layer surgical mask is made with their patent-pending Nano fiber technology, designed to protect you and your family from harmful air particles (including bacteria and viruses).