Place of Origin:

Hebei, China

Brand Name:

HY

Model Number:

HY9332

color:

white,grey

shape:

cone, moulded cup

outer layer:

polyester(PET)

head straps:

latex-free rubber

valved:

yes

certicifation:

EN149 and dolomite clogging

active carbon:

yes

BFE:

99%

ODM:

YES

packing:

10pcs/box, 12boxes/ctn