# 3M™ 8511 N95 Respirator Masks - NIOSH Approved - Box of 10

## Overview

N95 protection that vents the heat and breathes easy. The 3M 8511 pairs NIOSH-approved N95 filtration with the 3M Cool Flow valve, so warm, humid breath vents out and jobs from sanding to sawing feel easier to breathe through.

- NIOSH N95
- Cool Flow valve
- Made in USA

## Filtration & Comfort

### N95 filtration, at least 95%

NIOSH approved under TC-84A-1299. The 3M Advanced Electrostatic Media captures at least 95% of non-oil airborne particles.

**Filters at least 95% of:**
- Dust
- Pollen
- Mold spores
- Allergens

### 3M Cool Flow valve

The one-way valve releases warm, humid breath from inside the respirator, for up to 50% easier breathing than the 3M 8200.

### Adjustable M-noseclip

Shape the M-shaped metal clip to your nose for a custom, secure seal that helps cut down on fogging.

### Built for the dustiest jobs

From sanding and drywall to sweeping, sawing, grinding and yard work, the 8511 keeps fine dust and debris out while the Cool Flow valve keeps you cooler.

### Built for all-day wear

- **Stretchable braided headbands** - Two over-the-head straps stretch to fit and sit off your ears, so there is no pinch on long jobs.
- **3M Advanced Electrostatic Media** - The advanced filter media captures airborne particles while keeping airflow open for easier breathing.

## Key Facts

- **95%+** - Filtration efficiency
- **N95** - NIOSH approved (TC-84A-1299)
- **50%** - Easier breathing vs 3M 8200
- **Cool Flow** - Exhalation valve

## Technical Details

| Spec | Value |
|------|-------|
| Respirator class | N95 (NIOSH approved) |
| NIOSH approval | TC-84A-1299 |
| Model | 3M 8511 |
| Shape | Molded cup / dome |
| Exhalation valve | 3M Cool Flow valve |
| Filter media | 3M Advanced Electrostatic Media |
| Filtration | At least 95% of non-oil airborne particles |
| Nose clip | Adjustable M-noseclip |
| Headbands | Two stretchable braided, over-the-head |
| Country of origin | Made in USA |
| Packaging | Box of 10 respirators |

## See it in action

Video: [3M 8511 Respirator with Cool Flow Valve video](https://www.youtube.com/embed/vuJPDxu6hW4)

## Frequently Asked Questions

### Is the 3M 8511 a real N95?

Yes. It is NIOSH approved as an N95 respirator under approval number TC-84A-1299, so it filters at least 95% of non-oil airborne particles.

### What does the Cool Flow valve do?

The 3M Cool Flow valve is a one-way exhalation valve that releases warm, humid breath from inside the respirator. It helps you breathe easier and stay cooler, up to 50% easier breathing compared to the 3M 8200.

### Does it use ear loops or head straps?

Head straps. Two stretchable braided headbands go over the head and behind the neck, which keeps pressure off your ears during long wear.

### What jobs is the 8511 good for?

It is built for dusty work such as sanding, drywall, sweeping, woodworking, fiberglass insulating, sawing, grinding and dusting. It also helps filter pollen, mold spores, allergens and granular pesticides during outdoor activities.