Seal: synthetic rubber (EPDM) Thread: standard polyamide thread (PA), (EN 148-1) Visor: anti-fog polycarbonate safety glass laminated with EVA anti-fragmentation which gives strong resistance to chemicals and cracking Filter holder: acrylonitrile butadiene styrene (ABS) Valve: compatible with all 400 series valves Weight: 510 gr Standard: EN 136
