Foam Test Tube Insert Rack – Holds 48 x Ø6mm Tubes | Lab Vortex Mixer Accessory

Optimize your lab setup with this precision-cut foam insert designed to securely hold 48 test tubes with a 6mm diameter. Ideal for vortexing, mixing, or sample prep, this foam tube rack ensures consistent support and minimal tube movement during operation. A perfect fit for circular adapters in lab vortexers or shakers.