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. 2020 May 23;137(4):329–331. doi: 10.1016/j.anorl.2020.05.006

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Fig. 1 — (A) EasyBreath® mask with an upper adaptor connected to a filter, as designed by Prakash. This option does not include an inferior adaptor. (B) EasyBreath® mask with (1) an upper adaptor with a FFP2/N95 mask piece fixed by a clip and a GoPRo® adaptator for dive lights and (2) a lower adaptor with a FFP2/N95 mask piece fixed by a clip.