Model: 3M 502 filter cotton receiving box
Function: used to fix 2000 series filter cotton on 6000/7000 series filter box.
Packing: 20 pcs/box, 5 boxes/carton=100 pcs
Specially designed for matching masks, filter all kinds of particles efficiently
Quick and easy
installation, comfortable to wear Once installed, 502 must not be separated from the filter box, otherwise Will cause air leakage