3M 8511 - Particulate Respirator with cool flow valve (N95 Filter Masks) 7000002056
3M™ Particulate Respirator 8511, N95
Distributor: eGrimesDirect
Part Number: 8511
SAP ID: 7000002056
Legacy SKU: 70070757557
Local Catalog ID: 8511
Product Number: 54343
The 3M™ 8511 respirator is a NIOSH-approved N95 mask featuring Advanced Electret Media for ≥95% filtration efficiency at 0.3 µm, paired with a patented Cool Flow™ Exhalation Valve to reduce breathing resistance and keep the interior cooler and drier. Its lightweight cup design and adjustable fit make it ideal for extended wear in hot, humid, or dusty industrial environments.
Key Features
- NIOSH N95 Certified (42 CFR 84)
- Cool Flow™ Valve: Polyisoprene one-way valve for easy exhalation
- Advanced Electret Media: Permanently charged polypropylene fibers
- Cup-Style Shell: Rigid polyester/polypropylene for shape retention
- Adjustable M-Noseclip: Aluminum for custom seal and fog reduction
- Braided Comfort Straps: Dual elastic polyisoprene, stapled (latex-free)
- Shelf Life: 5 years (–20 °C to 30 °C, < 80 % RH)
- Maintenance Free: No additional filters or cartridges required
Technical Specifications
| Attribute | Detail |
|---|---|
| Filter Class | N95 (non-oil) |
| Filtration Efficiency | ≥95% at 0.3 µm |
| Filter Media | Melt-blown electret polypropylene |
| Inhalation Resistance | ≤35 mm H₂O @ 85 L/min |
| Exhalation Resistance | ≤25 mm H₂O @ 85 L/min (valved) |
| Valve Housing | Polypropylene |
| Valve Flap | Polyisoprene |
| Shell Material | Non-woven polyester & polypropylene |
| Headbands | Braided elastic polyisoprene |
| Nose Clip | Malleable aluminum |
| Temperature Reduction | ~4 °C cooler vs. non-valved |
| Shelf Life | 5 years |
| Certifications | NIOSH 42 CFR 84, OSHA compliant |
Learn More
- Inertial impaction, interception, diffusion capture across particle sizes
- Electrostatic attraction via electret fibers for submicron efficiency
- Permanent charge stability ensures consistent performance
- Cake-resistant outer layers delay clogging
- One-way polyisoprene flap opens at minimal pressure
- Rapid expulsion of warm, moist exhalation
- Reduces CO₂ buildup in dead space
- Maintains N95 inward seal on inhalation
- Single-shift disposable use; replace if breathing resistance increases
- Not for oil-based aerosols
- Inspect for damage or deformation before each use
- Store in original packaging, away from direct sunlight