Test tube holder Back Catalog number: 10501 Availability: In the manufacturer's stock Price on request - + Recommended MR9600-546 Filter for Accuris Microplate Reader, 546 nm Price on request NS1010-E SmartDrop™ X Nano Spectrophotometer, 230V Price on request E4500-PS SmartGlow™ Safe Green Pre Stain, 1.0ml Price on request