The body of respirator is right. Not true it has " multifilter, not true that is has HEPA filter. It has simply plastic sponge filter, what is not good filter for micropracticle. One of the exhalation side and one of the inhalation side. The virus is carried by microparticles on the air . The plastic sponge may suitable on the exhalation side, but not on the inhalation side. Efficiency of this mask not better as the cheapest textile mask because of plastic sponge filters. The fastening straps are made of very good material but are poorly designed. Too thick, too strong on the long, but not enough strong at the ends. Not easy to use .

The body of respirator is right. Not true it has " multifilter, not true that is has HEPA filter. It has simply plastic sponge filter, what is not good filter for micropracticle. One of the exhalation side and one of the inhalation side. The virus is carried by microparticles on the air . The plastic sponge may suitable on the exhalation side, but not on the inhalation side. Efficiency of this mask not better as the cheapest textile mask because of plastic sponge filters. The fastening straps are made of very good material but are poorly designed. Too thick, too strong on the long, but not enough strong at the ends. Not easy to use .

The body of respirator is right. Not true it has " multifilter, not true that is has HEPA filter. It has simply plastic sponge filter, what is not good filter for micropracticle. One of the exhalation side and one of the inhalation side. The virus is carried by microparticles on the air . The plastic sponge may suitable on the exhalation side, but not on the inhalation side. Efficiency of this mask not better as the cheapest textile mask because of plastic sponge filters. The fastening straps are made of very good material but are poorly designed. Too thick, too strong on the long, but not enough strong at the ends. Not easy to use .

too bulky, straps don’t stay on head, don’t sit well. so cannot run wearing them. very small air intake area hence need to breathe heavy.. very uncomfortable.

too bulky, straps don’t stay on head, don’t sit well. so cannot run wearing them. very small air intake area hence need to breathe heavy.. very uncomfortable.

too bulky, straps don’t stay on head, don’t sit well. so cannot run wearing them. very small air intake area hence need to breathe heavy.. very uncomfortable.