With this redesign of their filter I can finally recommend the GIR Silicone Mask. Unlike with cloth masks the filter is an all-or-nothing proposition for the GIR mask.
GIR Silicone Mask Review with Filter 2.0
With this redesign of their filter I can finally recommend the GIR Silicone Mask. Unlike with cloth masks the filter is an all-or-nothing proposition for the GIR mask.