Get current pricing for Grant, QBT1 Grant Heating Block Qbt1. 220-240 V. 50/60 Hz. 150 W. With Heating Block Qb-e1 For 24x 1,5 Ml Eppendorf Tubes. Digital Display. Ce-marked. Yoc 2003 . Product Category: Lab Equipment, Sub Category: Heating Mantles: