BigFold Z® Premium Paper Towel, 1 Case of 10 Protective Sleeves Thigh 35 to 38 Otoscope Accessory Thigh 35 to 38 N95 masks guard against microorganisms body fluids and particulate material * Easy to put on and take off and contain no fiberglass * Close facial fit and highly effective filtration system * The protective capabilities of N95 respirator masks often surpass those of regular face masks * N95 masks are intended to be used for protection against solids such as those from minerals coal iron ore flour and many other substances * They are extremely durable with a soft and comfortable inner surface * Adjustable nosepiece and secured headstraps to provide proper fit * These masks have a 510(K) number for the medical market and can be used in TB situations as recommended by OSHA * NIOSH Approval: TC 84A 5411 FDA 510 (K): K020474 * SP * absorbent towel Interfold design cannot be loaded incorrectly to prevent mis feeds and reduce maintenance time