Re-usable XT Cooling Core for use in CoolBox XT System, CoolBox 2XT System and XT Starter ice-free cooler.  

In CoolBox XT and CoolBox 2XT Systems, the XT Cooling Core provides over 16 hours of 0.5 to 4℃ cooling with lid on and over 10 hours with lid off.   In XT Starter cooling system, XT Cooling Core provides over 4 hours of 2°C cooling to all samples.  

Pre-freeze in a -20℃ freezer until frozen, then place in CoolBox XT, CoolBox 2XT or XT Starter when ready to work.  

One Each. Made in USA.

Dimensions (L x W x H): 15.2 x 10.9 x 5.8 cm / 6.0 x 4.3 x 2.3 in