96-Well Color-Changing PCR Tube/Plate Cooler manufactured by Bioland Scientific, LLC. can indicate the change of temperature in each individual well by color change: violet to purple from freezing to above 7°C. The cooler can keep the temperature of samples at 0°C for more than 1 hour with two-hour pre-cooling at -20°C.
Features
Special cone contour prevents freezing Easy to use, save space, and pollution-free