WENYAZIGUO Test Tube Holder, 15-Hole Test Tube Rack Double Row Removable Columns 15mm/20mm Tubes Experiments

WENYAZIGUO

Designed to hold 15 test tubes securely, accommodating both 15mm and 20mm sizes. construction use in any laboratory setting. Lightweight and portable, for classroom experiments and fieldwork. Removable columns allow for customizable storage and easy cleaning. As fundamental equipment for any chemistry workspace, this rack supports various experimental procedures. Suitable for educational institutions, research facilities, and professional .