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NPPTL  - The National Personal Protective Technology Laboratory
 

NIOSH-Approved Disposable Particulate Respirators (Filtering Facepieces)

Recent CDC infection control guidance documents provide recommendations that healthcare workers protect themselves from diseases potentially spread through the air (such as SARS or tuberculosis) by wearing a fit tested respirator at least as protective as a NIOSH-approved N95 respirator.

An N95 respirator is one of nine types of disposable particulate respirators. Particulate respirators are also known as "air-purifying respirators" because they protect by filtering particles out of the air you breathe. Workers can wear any one of the particulate respirators for protection against diseases spread through the air - if they are NIOSH approved and if they have been properly fit tested and maintained. NIOSH-approved disposable respirators are marked with the manufacturer's name, the part number (P/N), the protection provided by the filter (e.g. N95), and "NIOSH."

Select a type of disposable particulate respirator (filtering facepiece) to view a list of manufacturers/suppliers and model numbers:

Type Description
N95 Filters at least 95% of airborne particles. Not resistant to oil.
N99 Filters at least 99% of airborne particles. Not resistant to oil.
N100 Filters at least 99.97% of airborne particles. Not resistant to oil.
R95 Filters at least 95% of airborne particles. Somewhat resistant to oil.
R99* Filters at least 99% of airborne particles. Somewhat resistant to oil.
R100* Filters at least 99.97% of airborne particles. Somewhat resistant to oil.
P95 Filters at least 95% of airborne particles. Strongly resistant to oil.
P99* Filters at least 99% of airborne particles. Strongly resistant to oil.
P100 Filters at least 99.97% of airborne particles. Strongly resistant to oil.

* No NIOSH approvals are held by this type of disposable particulate respirator.

For more information, see these related NIOSH Topics:


Page last updated: June 28, 2004
Page last reviewed: June 28, 2004
Content Source: National Institute for Occupational Safety and Health (NIOSH)