Half mask Polimask BETA. Features: The double-filter half mask made of EPDM offers optimal protection for all activities. Two inhalation valves minimize inhalation resistance. A large exhalation valve ensures low exhalation resistance. Very comfortable head straps with neck closure. By rotating the filter holder, you can change your viewing angle or expand your field of vision. Glasses-compatible exhaled air guidance. Technical specifications: Filter: without filter. Weight: 165 g. Material: EPDM. Standards (Occupational Safety): DIN EN 140. Product type: Respiratory protection half mask. Note: The filters shown are not included in the delivery. Suitable filters can be found under the accessories tab.