50mm/100mm universal 4-position cell holder Back Catalog number: 10103 Availability: In the manufacturer's stock Price on request - + Recommended EB1100 QuickSilver Tris-Glycine-SDS Buffer Powder, 50 pou Price on request E4500-PS SmartGlow™ Safe Green Pre Stain, 1.0ml Price on request MI405 Ammonia medium range photometer Mi405 Price on request