8.5
Quality
8/10
Ease of use
9/10
Performance
8/10
Value for money
9/10
Total rating: 8.5/10
Description
The 3M 4251 is a maintenance-free half-mask with built-in filters. This mask is ideal for short-term projects and occasional work, prioritizing simplicity and comfort.
Specifications
| Type | Maintenance-free half mask |
| Material | TPE (thermoplastic elastomer) |
| Size | One-size |
| Connection Type | Integrated filter |
| Compatible Filters | Not applicable (integrated filter) |
| Weight | Approximately 300 g |
| Standards | Complies with EN405:2001+A1:2009 |
| Product page | Link |
Functions
- Built-in filter for ease of use
- Soft face seal for added comfort
Disadvantages
- Disposable design limits reuse but is easy to use without filter changes.
Benefits
- No additional assembly required
- Ideal for short-term projects
- Affordable and widely available
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