Case contains 200 replacement filters for Honeywell 4200 CFR-1 Respirator NIOSH N95 Reusable Half Masks. These masks are ideal for personal protective equipment in business and industrial settings. The masks have a filter class of N95, making them highly effective in filtering out harmful particles. The model is highly durable and reliable, ensuring that the user is protected at all times. Whether you're replacing old masks or starting fresh, this case is perfect for you. Track Page Views WithAuctiva's Counter