AirPop Pocket szmogellenes maszk 4 db feketeFace Mask AirPOP Pocket 4pcs (Black) To give you the best possible protection, we've reinvented the entire filtration. We designed the mask from the ground up, focusing on efficiency, comfort and ease of breathing. What we have achieved is a breath of fresh air. Four-layer protection The two-layer electrostatic melt-blown nonwoven filters feature high filtration efficiency and protect against even the finest contaminants. The pre-filter layer is sandwiched between two protective top layers, so it effectively traps harmful particles found in the air. The filter blocks >98%