Designed for comfort, convenience and economy. The reusable facepieces are made of a soft, comfortable material and can be adjusted for individual fitting. Half and full facepiece elastomeric type. The 3M Half Facepiece 6000, is designed to be used with 3M 2000 Series Filters and 3M 6000 Series Cartridges. When combined with proper filters, the respirator provides a high level of protection for industrial applications.