Name: 3-41 3M9001/9002 foldable dust masks Model: Visitors: 98 price: 面议 member price: 面议 3M9001 ear-Belt 3M9002 head-belt Imports efficient electrostatic filter, unique shape design. More unique and hard permeability liner, more suitable for high temperature, high humidity environment. In the same protective effect, smaller respiratory resistance, more comfortable to wear. standard: LD29-92 (China) and AS/NZS1716-2003-P1(Australia / New Zealand.