EFFICIENCY
Efficient in the protection against bacteria and viruses in the air inhaled (filters particulates of 0.3 microns in size)
LAYERS
4 layers, of which 2 spunbound layers (nonwoven fabric) and 2 meltblown layer (filter material)
SIZE
23.6 x 12 cm with 20.5 cm opening
AVAILABLE OPTIONS
10 pcs/box
