• These masks are intended to be used for protection against solids, such as those from minerals, coal, iron ore, flour and certain other substances. 
• Can be extremely durable with soft and comfortable inner surface.
• Have an adjustable nose piece and secured head straps to provide proper fit. 
• Have a 510(K) number for the medical market and can be used TB situations as recommended by OSHA.
• NIOSH Approval TC-84A-4563 FDA 510 (K): k020474
• Small size 

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