50mm/100mm universal 4-position cell holder Back Catalog number: 10103 Availability: In the manufacturer's stock Price on request - + Recommended UV-9000S* UV-VIS Spectrophotometer, Double Beam, kinetics, m Price on request HI 98703-02 EPA Compliant Turbidity Meter Price on request UV-6100* UV-VIS Spectrophotometer, Single Beam, kinetics, m Price on request