(852) 3689 1869
Brand：Powecom
Type：Filter cotton series
Model：3703
Use with N3700 dust mask;
Using high electrostatic BFE filter material, adding German hollow fiber ultra filter element, the anti-microparticle efficiency is over 97.2%;
Comply with the new national standard GB2626-2006 KN95.
Packing: 500 pieces/piece
