And for added protection use a hepa filter vacuum cleaner bag cut the required patter piece and sandwich it in. You can make fabric ties from cotton fabric t shirt material or use ready made bias binding. Hepa Filter Material Huadi Custom Hepa Air Filter Material Hi ed i purchased the sharp plasmacluster fpn40cx air purifier which is one of the same unit as you have i believe but mine is canadian. Hepa filter fabric by the yard . March 26 2020 at 424 pm. Polypropylene filter fabric 03 micron filter 1 yard per customer makes 10 masks httpsbitly39qbbv6 our top 3 vacuum bag. Do not touch the iron to the filter fabric. The filtration market is comprised of some 20 varied market segments all offering opportunities for technical textile producers. New epa regulation now in effect requires the use of a certified hepa filtration vac along with other specific cleaning techniques. The fabric face mask can be made with an interior pocke...