50mm/100mm universal 4-position cell holder Back Catalog number: 10103 Availability: In the manufacturer's stock Price on request - + Recommended MS1000-E SmartSeal™ Semi-Automated Microplate Sealer, 230V Price on request FILTER-630 Filter 630nm for DEL-100 3 400,00 Kč MI411 pH and free & total photometer Mi411 Price on request