The PVOA-1064-1-B-30-SM-B from CivilLaser is a Fiber Optic Attenuator with Wavelength Dependent Loss <1 dB, Attenuation 0 to 30 dB, Insertion Loss <1.5 dB, Polarization Dependent Loss 0.5 dB, Operating Wavelength 1064 nm. More details for PVOA-1064-1-B-30-SM-B can be seen below.