1.25mm Infrared filter,850nm filter 2.100% Brand New 3.Longlife Time,Convenient 4.Import optical glass 5.CE,FDA,ROHS FU-LGP025 25mm Infrared filter,850nm filter 1.Material: ir optical glass2.Diameter :25mm3.Thickness :2mm4.Shape : circle 5.Infrared : 800nm-1100nm 6.Used for optical instruments FU-LGP025 25mm Infrared filter,850nm filter