KN95 Disposable Respirator Masks (Non-Valve) 5-Pk
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DO:0013
- Multi-Layer Protection
- Up to 95% Filtration Efficiency
- Adjustable Metal Nose Clip For Effective Sealing
- Non-Valve Masks
- Tight Breathable Fit
- 5 Masks Per Pack
- Comfortable Easy to Wear with Ear Loops
- Meets KN95's Standard
- Executive Standard: GB2626-2006
- Executive Standard: EN149:2001 +A1:2009
The KN95 is the most common mask out of the 7 types of particulate filtering respirators. These masks are designed for a tight facial fit allowing the mask to filter at least 95% of airborne particles. Please Note: These masks are not recommended for the use of this product under the low oxygen, difficulty breathing, or while sleeping. If you have asthma or other respiratory medical condition, please contact a medical professional before use. Replace your mask with a new one as soon as it becomes damp or soiled, these masks are single-use, Do Not Reuse. If you have any questions please call 1-800-322-2965 and one of our customer representatives will be happy to assist you
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Comparison of FF92, KN95, and N95 and Other Filtering Facepiece Respirator Classes
*The following information is from the 3M Technical Bulletin Revision 4 dated May 2020.
Filtering facepiece respirators known as (FFR) or disposable respirators are subject to various regulatory standards around the world. These standards specify certain required physical properties and performance characteristics in order for respirators to claim compliance with the particular standard. During a pandemic or emergency situations, health officials often reference these standards when making respirator recommendations, stating, for example, that certain populations should use an "N95, FFP2, or similar" respirator.
This information is only intended to help clarify some key similarities between such references, specifically to the following FFR performance standards.
- N95 (United States NIOSH-42CFR84)
- FFP2 (Europe EN 149-2001)
- KN95 (China GB2626-2006)
- P2 (Australia/New Zealand AS/NZA 1716:2012)
- Korea 1st class (Korea KMOEL - 2017-64)
- DS2 (Japan JMHLW-Notification 214, 2018)
As shown in the following summary table, respirators certified as meeting these standards can be expected to function very similarly to one another, based on the performance requirements stated in the standards and confirmed during conformity testing.
One notable comparison point is the flow rates specified by these standards for the inhalation and exhalation resistance tests. Inhalation resistance testing flow rates range from 40 to 160L/min. Exhalation resistance testing flow rates range from 30 to 95L/min. Some countries require testing to be performed at multi-flow rates, others at only the high or low end of those ranges. Although this appears to suggest that the standards' requirements for breathing resistance (also called "pressure drop") differ from each other, it's important to understand that pressure drop across any filter will naturally be higher at higher flow rates and lower flow rates. Given typical pressure curves for respirator filters, the standards' various pressure drop requirements are actually quite similar. This chart shows a representative filter pressure drop curve. If one filter is tested at a high flow rate, the pressure drop performance will be relatively high. If that same filter is tested at a low flow rate, the pressure drop performance will be relatively low.
Definitions
Filter Performance - The filter is evaluated to measure the reduction in concentrations of specific aerosols in the air that passes through the filter.
Test Agent - The aerosol that is generated during the filter performance test.
Total Inward Leakage (TIL) - The amount of a specific aerosol that enters the tested respirator facepiece via both filter penetration and face seal leakage, while a wearer performs a series of exercises in a test chamber.
Inward Leakage (IL) - The amount of a specific aerosol that enters the tested respirator facepiece, while a wearer performs normal breathing for 3 minutes in a test chamber. The test aerosol size (count median diameter) is about 0.5 micro meters.
Pressure Drop - The resistance air is subjected to as it moves through a medium, such as a respirator filter.
* It Is Important to Read and Follow Respirator User Instructions
What is the Difference Between N95 and KN95 Masks?
N95 masks are the US standards for respiratory masks while the KN95 masks are the Chinese standards for masks. These are the requirements that the US National Institute for Occupational Safety and Health requires manufacturers to meet in order to be able to label their masks as N95s. Despite the long list of differences, these two masks are equivalent or nearly equivalent in the features that most people care about. Bottom line is that the N95 and the KN95 are both rated to capture 95% of particles. The KN95 masks are required to pass fit tests, while N95 masks have slightly stronger breathability standards.
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Comparison of FF92, KN95, and N95 and Other Filtering Facepiece Respirator Classes
*The following information is from the 3M Technical Bulletin Revision 4 dated May 2020.
Filtering facepiece respirators known as (FFR) or disposable respirators are subject to various regulatory standards around the world. These standards specify certain required physical properties and performance characteristics in order for respirators to claim compliance with the particular standard. During a pandemic or emergency situations, health officials often reference these standards when making respirator recommendations, stating, for example, that certain populations should use an "N95, FFP2, or similar" respirator.
This information is only intended to help clarify some key similarities between such references, specifically to the following FFR performance standards.
- N95 (United States NIOSH-42CFR84)
- FFP2 (Europe EN 149-2001)
- KN95 (China GB2626-2006)
- P2 (Australia/New Zealand AS/NZA 1716:2012)
- Korea 1st class (Korea KMOEL - 2017-64)
- DS2 (Japan JMHLW-Notification 214, 2018)
As shown in the following summary table, respirators certified as meeting these standards can be expected to function very similarly to one another, based on the performance requirements stated in the standards and confirmed during conformity testing.
One notable comparison point is the flow rates specified by these standards for the inhalation and exhalation resistance tests. Inhalation resistance testing flow rates range from 40 to 160L/min. Exhalation resistance testing flow rates range from 30 to 95L/min. Some countries require testing to be performed at multi-flow rates, others at only the high or low end of those ranges. Although this appears to suggest that the standards' requirements for breathing resistance (also called "pressure drop") differ from each other, it's important to understand that pressure drop across any filter will naturally be higher at higher flow rates and lower flow rates. Given typical pressure curves for respirator filters, the standards' various pressure drop requirements are actually quite similar. This chart shows a representative filter pressure drop curve. If one filter is tested at a high flow rate, the pressure drop performance will be relatively high. If that same filter is tested at a low flow rate, the pressure drop performance will be relatively low.
Definitions
Filter Performance - The filter is evaluated to measure the reduction in concentrations of specific aerosols in the air that passes through the filter.
Test Agent - The aerosol that is generated during the filter performance test.
Total Inward Leakage (TIL) - The amount of a specific aerosol that enters the tested respirator facepiece via both filter penetration and face seal leakage, while a wearer performs a series of exercises in a test chamber.
Inward Leakage (IL) - The amount of a specific aerosol that enters the tested respirator facepiece, while a wearer performs normal breathing for 3 minutes in a test chamber. The test aerosol size (count median diameter) is about 0.5 micro meters.
Pressure Drop - The resistance air is subjected to as it moves through a medium, such as a respirator filter.
* It Is Important to Read and Follow Respirator User Instructions
What is the Difference Between N95 and KN95 Masks?
N95 masks are the US standards for respiratory masks while the KN95 masks are the Chinese standards for masks. These are the requirements that the US National Institute for Occupational Safety and Health requires manufacturers to meet in order to be able to label their masks as N95s. Despite the long list of differences, these two masks are equivalent or nearly equivalent in the features that most people care about. Bottom line is that the N95 and the KN95 are both rated to capture 95% of particles. The KN95 masks are required to pass fit tests, while N95 masks have slightly stronger breathability standards.
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