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BLS 4000next b-lock half mask

Half masks with bayonet connection
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Facepiece

Facepiece

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.
BLS4000next b-lock filtering half-mask is available in silicone (BLS 4000next S) or thermoplastic elastomer (BLS 4000next R).
Available in two sizes

Available in two sizes

Both the silicone and thermoplastic versions are available in two sizes (S/M and M/L).

Drop-off

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. The drop-off system must be activated in order to be used.

Head harness

Head harness

Thinner and lighter head harness, with a quick adjustment, allowing excellent compatibility with other PPE.

Bayonet connection (b-lock)

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.

Easy and fast maintenance

Easy and fast maintenance

It can be disassembled in less than a minute making cleaning and maintenance much easier.

Ergonomic and with a wide field of vision

Ergonomic and with a wide field of vision

The shape of BLS 4000next half mask offers a perfect seal without any unpleasant pressure on the nose or mouth of the user. It also allows high visibility and low interference with the visual field.

Compatible with

Compatible with

BLS 200 Filters
BLS 201 Filters

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.

Compatible with

CodeModelProtection classSizeFacepiece
8002111BLS 4000next RDepends on filters usedS/MThermoplastic
8002112BLS 4000next RDepends on filters usedM/LThermoplastic
8002113BLS 4000next SDepends on filters usedS/MSilicone
8002114BLS 4000next SDepends on filters usedM/LSilicone
CodeModelProtection classSizeFacepiece

Ready to use kits (Only industrial)

CodeModelProtection classFacepiece Size
8002115BLS 4100next SA2P2 RSiliconeS/M
8002116BLS 4100next SA2P2 RSiliconeM/L
8002117BLS 4400next SABEK1P3 RSiliconeS/M
8002118BLS 4400next SABEK1P3 RSiliconeM/L
8002119BLS 4500next SP3 RSiliconeS/M
8002123BLS 4500next SP3 RSiliconeM/L
8002120BLS 4600next SA2P3 RSiliconeS/M
8002124BLS 4600next SA2P3 RSiliconeM/L
Technical Datasheet
Conformity declaration
Product Instructions

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