Odyssey N95 disposable mask with Exhale Valve, foam nose cushion, new moulded design and latex free straps. Exhale valve allows for cooler performance as exhaust air is ventilated out allowing for greater comfort for longer periods of time. Perfect for protection against SARS, H1N1, general dust, sanding, drywall dust,sweeping etc..Not for use with Asbestos!! NIOSH Approved. Buy a full case and save $60, Sold as case of 12(boxes/10), 120 masks per case