Assura® Colostomy Barrier With 1 Inch Stoma Opening, 1 Box of 5 Advanced Wound Care Certified by NIOSH and the Aluminum band assists in Certified by NIOSH and the FDA this mask is certified for both medical and industrial use * N95 masks guard against microorganisms body fluids and particulate material * Easy to put on and take off and contain no fiberglass * Offers an improved fit with improved rigidity and inner foam strip to reduce eyewear fogging * Valve helps improve airflow and further reduces fogging while offering improved functionality * 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 * it's suitable for a wide variety of low to medium exudating wounds skin friendly wear With belt loops