Transparent Reusable Face Mask

Vacuum-formed transparent face mask with replaceable filters and an excellent seal. works with FaceID, might require setup of alternate appearance excellent smile and lip-reading visibility great airflow through natural vertical convection (top and bottom openings) replaceable filters that can be cut from any flat filter material (shape templates included) treated with temporary anti-fog spray, two anti-fog wipes are included edge is lined with soft weather-sealing foam to create an excellent seal flexible but rigid mask shell allows for comfortable facial muscle movements, you can smile and grimace again! This mask design is available for free as open-source with complete building instructions: http://uwyn.com/maskbuild Comes with: 1x finished transparent mask with installed filters 1x black elastic band * 2x anti-fog Rain-X wipes 2x set of replacement filters 1x filter shape template for top filter 1x filter shape template for bottom filter 1x filter replacement tool 1x usage docu