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Both the silicone and thermoplastic versions are available in two sizes (S/M and M/L).
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.
Thinner and lighter head harness, with a quick adjustment, allowing excellent compatibility with other PPE.
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.
It can be disassembled in less than a minute making cleaning and maintenance much easier.
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.
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
| Code | Model | Protection class | Size | Facepiece |
| 8002111 | BLS 4000next R | Depends on filters used | S/M | Thermoplastic |
| 8002112 | BLS 4000next R | Depends on filters used | M/L | Thermoplastic |
| 8002113 | BLS 4000next S | Depends on filters used | S/M | Silicone |
| 8002114 | BLS 4000next S | Depends on filters used | M/L | Silicone |
| Code | Model | Protection class | Size | Facepiece |
| Code | Model | Protection class | Facepiece | Size |
| 8002115 | BLS 4100next S | A2P2 R | Silicone | S/M |
| 8002116 | BLS 4100next S | A2P2 R | Silicone | M/L |
| 8002117 | BLS 4400next S | ABEK1P3 R | Silicone | S/M |
| 8002118 | BLS 4400next S | ABEK1P3 R | Silicone | M/L |
| 8002119 | BLS 4500next S | P3 R | Silicone | S/M |
| 8002123 | BLS 4500next S | P3 R | Silicone | M/L |
| 8002120 | BLS 4600next S | A2P3 R | Silicone | S/M |
| 8002124 | BLS 4600next S | A2P3 R | Silicone | M/L |
