UNICO SQ2800 Series Didymium Filter for Wavelength Calibration, Factory Certified SQ2800-116 is a wave length calibration filter made to work with SQ2800 series UNICO Spectrophotometers. Your Spectrophotometer is a precision scientific instrument designed by UNICO for accurate and precise lab work. Enhance its functionality by adding this spectrophotometer filter to your Spectrophotometer accessories.
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