P Photoelectric sensing technology P Easy installation and maintenance P Sleek low-profile housing design P Small size and light weight P SMD circuit board design-satisfactory quality and reliab

THIS MASK USED DUPONT MATERIAL (UL LISTED) IT`S THERMAL PROTECTION CAN BE UP TP 450oC THE FIVE LAYERS FILTER INSIDE WITH ACTIVE CARBON FIBER

RI-4090 Lift front (lens G2``X4-1/4``) CSA Z94.3 approval ANSI Z87.1 approval CE EN 175 approval Green soft PVC frame, ABS lens holder. Six indirect vents in the frame and be used in welding workplac

RI-4580 Lift window Awindow size2`` x 4-1/4``meet ANSI Z87.1 BCE EN175 approval Streamline shape, high impact resistance PP shell and RI4071A comfortable nylon ratchet headgear. The combination of he

RI-6010 meet ANSI S3.19 and CE EN 352-1 approvalNRR value : 20dB @ @SNR value : 19dB

RI-6940 meet ANSI S3.19 and CE EN 352-1 approval NRR value : 20dB @ @SNR value : 27dB

RI-4805 meet ANSI Z87.1 CSA Z94.3 meet CE EN 166

RI-3010 ANSI Z87.1approval /CE EN166approval 100% Polycarbonate Suitable for over glasses Color G

Clear soft PVC frame,clear polycarbonate lens,has round direct vents on both sides and top.