1 x DEWALT Medium Half Mask Respirator with 2 x P3 Particulate Filters. DEWALT Reusable Half Mask Respirator with P3 filters. Provides protection in workplaces which have high levels of fine dust, lead, silica, MDF particles, or other forms of industrial pollatants in the air. Its lightweight design and low burden airflow system provides ultra-low breathing resistance and improved user comfort for longer periods. The secure and easily adjustable elastomeric head cradle provides a secure fit and extra comfort. A dual mode harness enables users to doff their mask without removing head protection. The twin-filter design provides even distribution ofweight with minimal obstruction to field of vision. Available in two sizes; medium and large. Specifications: Filter Type: P3 Particulate. Filter Efficiency: 99.95% @ 0.3 Micron. Approval Certification: Half Mask EN140:1998, P3 Filter EN143:2000. Medium