BLS 4000 series reusable half masks are available with silicone or thermoplastic facepiece. Used in combination with twin bayonet filters with quick b-lock connection, they protect from toxic gases, vapours and particles.

• Easy and Fast Maintenance: It can be disassembled in less than a minute making cleaning and maintenance much easier.
• New Mask 25% Lighter: The reduction in the thickness of the oronasal allowed a 25% reduction in the weight of the half mask, which appears to be among the lightest on the market.
• Drop-Off: New front mask with quick attachment/release system and sliding elastics, which allow you to remove and lower the half mask without removing the head harness.
• Head Harness: Thinner and lighter head harness, with a quick adjustment, allowing excellent compatibility with other PPE.
• Bayonet Connection (b-lock): This connection is highly intuitive, allowing a quick and safe hold on the mask. It has a locking feedback allowing the user to know if the filter has been properly placed.

Specifications:

• Available Sizes: S/M, M/L
• Compatible with BLS 200 filters
• Face mask is sold without filters, filters must be purchased separately