Safety GlassesChina Cwl 635nm, 650nm, 808nm, 850nm, 980nm Od 2, 3, 4, 5, 6 High Transmission IR Optical Bandpass Filter, Find details about China High Transmittance, Optical Interference Filter from Cwl 635nm, 650nm, 808nm, 850nm, 980nm Od 2, 3, 4, 5, 6 High Transmission IR Optical Bandpass Filter