full face mask SFERA Sekur DPI

4333 3007 full face mask SFERA SP/A with thread connection to the mask according to EN 148/3 (M 45x3) Extra wide view full face mask complying to European norms EN 136. One size fits all. For use with dust, gas and combined filters with a threaded connector conforming to EN 148/1 and an overpressure version for use with compressed air supply devices (with threaded connector according to EN 148/3). All versions are available in EPDM and silicone rubber.