First Aid Only® Isobutane Propane Skin Refrigerant, 4 ounce Spray Can, 1 Case of 12 Elbow Supports N95 masks guard against microorganisms 2 8002 055 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 * Black 27 * The ultimate acoustical stethoscope * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Handcrafted sold stainless steel chestpiece * 2 in 1 tube design eliminates tube rubbing noise * Portable convenience of a single sided chestpiece * Excellent acoustic seal and comfortable fit with patented Littmann Snap Tight soft sealing eartips * Comfortably angled anatomically correct headset * Patient friendly nonchill rim and diaphragm Topical skin refrigerant uses isobutane and propane to draw heat away from burns resulting in less swelling and pain