This 3M half facepiece Respirator is designed to work with those faces which are Large that need extra room for a comfortable and snug fit. 3M Half Face respirators provide reliable breathing protection when used in conjunction with the appropriate 3m Filter or cartridge. This respirator and will last for extended periods when cared for properly. This respirator provides protection and is suitable for many situations when a full face respirator is not required. This respirator will provide protection against particulates and a wide variety of gases and vapors according to NIOSH approvals • Compatible and convenient respiratory protection • Half facepiece reusable respirator