>>2443201Finding a good and consistent mask isn't easy. We have settled on 3M 9320+, they are more comfy because of their shape, easy to breathe through and allow for talking or chewing gum. They also allow for a small goatee or mustache. Finally, they are compatible with glasses.
They cost a bit more (10 for 20€ or so), but you get always the same quality.
I have bought chink masks that where small, didn't fit, had weak rubber bands and all that.
