Test tube holder Back Catalog number: 10501 Availability: In the manufacturer's stock Price on request - + Recommended 18204260 10mm water-jacketed 4-cell holder (A) 356,22 € 18204279 Square Cvettes.Quartz 30mm, set/2 pcs 204,98 € E4000-AC SmartBlue™ Replacement Amber Cover Price on request