The only real slight situation is some dust entering into the mouthpiece, but that’s over it. This toughness is an enormous in addition, especially for someone as clumsy as me. The mouthpiece fits my lips correctly, And that i love it. The only real draw back is the big hole https://zionnirzd.goabroadblog.com/31210896/mr-fog-max-air-ma8500-no-further-a-mystery