This CMR modifies a ColorFlex 45/0 Sample Cup Port to add a 420-nm Ultra-Violet (UV) Cut-off filter under the drop-down lip of the port. This effectively cuts off the UV below 400-nm for UV optically brightened opaque powders, liquids, and translucent creams. The filter controls the UV output of the lamp to allow consistent measurement of the base color of the sample.

Important Notes:

For more detail, see the attached addendum.

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