Jackson Safety R30 N99 Particulate Respirator (64520), Single Valve, White with Red Strap, 80 Respirators / Case, 10 / Box, 8 Boxes . Protect yourself from the respiratory dangers of the job with Jackson Safety R30 N99 Particulate Respirators (Single Valve). They are a smart piece of personal protective equipment (PPE) for jobs including grinding, sanding, woodworking and sweeping. The NIOSH N99-rated molded respirators are made for all-day comfort. They feature a full foam perimeter around the inside of the respirator, a single exhalation valve and a bendable, soft foam nose pad. The wide, adjustable head straps for a secure fit are ultrasonically attached for durability. The particle masks are not made with natural rubber latex , reducing worry for those with latex allergies. Trust Jackson Safety Particulate Respirators to help you breathe easy on the job.