Face Mask reusable ppe respirator with 4 filters and string Color:Black The hardware used to install

The hardware used to install are - 18-8 Stainless 3mm x 15mm flat head screws which can  be purchased from any hardware store

Multiple colors available

Special thanks to @SMK - Statens Museum for Kunst on My Mini Factory for the 3D Model and Photos

The building

Face Mask reusable ppe respirator with 4 filters and string Color:Black The hardware used to installRespirator Face Mask Reusable PPE BRAND NEW With 4 Filters & String Face Shield!. Shipped with USPS First Class Package. 4 filters and string included. Just tighten the string to your preference. Mask can be sanitized and re used. Use any household item for a filter including paper towels, coffee filter, furnace filter, etc. multiple available. Fast shipping guaranteed. This mask is made from durable plastic which allows you to easily sanitize it with