![PSA: Remember to wear a mask if you're sanding your CI. The black tone of the mask is solely from iron powder that I would've breathed otherwise. : r/castiron PSA: Remember to wear a mask if you're sanding your CI. The black tone of the mask is solely from iron powder that I would've breathed otherwise. : r/castiron](https://i.redd.it/efe6qwvm07461.jpg)
PSA: Remember to wear a mask if you're sanding your CI. The black tone of the mask is solely from iron powder that I would've breathed otherwise. : r/castiron
3M 8000 Series Disposable Face Mask for General Purpose Protection, FFP2 NR D, Non-Valved, Moulded, 20 per Package
![3M N95 Woodworking and Sanding Painted Surfaces Respirator Mask Stock Image - Image of individual, human: 175881881 3M N95 Woodworking and Sanding Painted Surfaces Respirator Mask Stock Image - Image of individual, human: 175881881](https://thumbs.dreamstime.com/z/m-n-woodworking-sanding-painted-surfaces-respirator-mask-protective-medical-face-surgical-image-175881881.jpg)
3M N95 Woodworking and Sanding Painted Surfaces Respirator Mask Stock Image - Image of individual, human: 175881881
![RHINO Smart Solutions Respirator Mask RH-M101 A1P2 Filters | Dust Mask for Sanding, Gas Mask, Chemicals, Spray Paint Face Masks and Organic Vapors with Safety Goggles | DIY, Building Work or Asbestos : RHINO Smart Solutions Respirator Mask RH-M101 A1P2 Filters | Dust Mask for Sanding, Gas Mask, Chemicals, Spray Paint Face Masks and Organic Vapors with Safety Goggles | DIY, Building Work or Asbestos :](https://m.media-amazon.com/images/I/813JJ5MZ7gL._AC_UY350_.jpg)