Blue Color Maintain -10°C to -20°C for up to 3 hours One side holds Twenty 500µl/0.65ml microtubes Other Side holds twenty 1.5-2.0ml microtubes 4 racks/case
24-place Iso-Freeze MicroTube Rack with Lid Filled with temperature dependent gel Color Changes: Purple=Cold, Pink=Warm Hold 4°C for about 3.5 hours 1/pack, 6/case
Iso-Freeze MicroTube Rack with Lid 24-place Filled with temperature dependent gel Color Changes: Green=Cold, Yellow=Warm Holds 4°C for about 2.5 hours 1 rack/pack, 5 racks/case