NIOSH-Approved N99 Particulate Filtering Facepiece Respirators

Notice – Effective Immediately — Donning Procedures or User Instructions provided by the Approval Holder or Private Label Entity will no longer be added to this list.

For your filtering facepiece respirator (FFR) to work as effectively as possible, you must wear it correctly. This includes the process of putting it on (donning) and taking it off (doffing).

For donning instructions specific to the make and model of FFR you are using, see the donning instructions provided with, or on the packaging of, your respirator. If you do not have access to these instructions, please see the respirator approval holder (manufacturer) or private label entity website or contact the approval holder directly.  For generalized donning instructions, View How To Wear Your Filtering Facepiece Respirator.