CIRA on Quartz Outer Filter for Ci3000/Ci4000/Ci4400

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Filter glass for Ci4400, Ci4000, Ci3000+ WOM, and Ci3000 FOM. Used with a Right Light inner filter to meet Daylight requirements and provide best match to the solar cut-on wavelength. Especially used for high irradiance tests or tests requiring lower temperatures. Recommended replacement after 2000 hours.