ST-M40G-1B Silicone Double Canister Dustproof filter Half face Mask
- Model: M40-1A/M40-1B
- material: silicone
- Standard: GB2626-2019, GB2890-2009
- Gross weight: 1.0kg
- Wearing method: head-mounted
- Filtration efficiency: KN90
- Type: Dust Mask/ organic gas mask
- Applicable : personal protection, manufacturing, petroleum and petrochemical, coal metallurgy， daily protection, decoration dusting, industrial dust, etc.
