- Disposable, loose-fitting masks.
- Cover nose, mouth, and chin.
- Protect wearers from large respiratory droplets and splashes.
- Widely available and affordable.
2. N95 Respirators (or KN95, FFP2):
- Tight-fitting, disposable respirators.
- Filter at least 95% of particles 0.3 microns or larger.
- Offer higher level of protection than surgical masks.
- Should be fitted properly to ensure a good seal.
3. Cloth Masks:
- Fabric-based, reusable masks.
- Cover nose, mouth, and chin.
- Effectiveness varies depending on material, design, and fit.
- Best used with multiple layers of fabric and a snug fit.
4. Elastomeric Respirators:
- Tight-fitting, reusable respirators.
- Made of silicone or rubber, with replaceable cartridges or filters.
- Offer high level of protection, similar to N95 respirators.
- Require proper fit testing to ensure a good seal.
5. Powered Air-Purifying Respirators (PAPRs):
- Head-mounted, battery-powered devices that provide filtered air.
- Covers the entire head, eliminating the need for a perfect seal.
- Offer highest level of protection, but are more expensive.
Note: Mask effectiveness can be improved by proper use, such as ensuring a good fit and avoiding touching the mask's front. Guidelines for mask use may vary depending on specific public health recommendations.