CRYOSAFE 12 PLACE FREEZER RACK

CRYOSAFE 12 PLACE FREEZER RACK: saves freezer space and prevents damage to enzymes or cultures in frost-free freezers. It will maintain a -15°C temperature for 1.5 hours and will remain below 0°C for four hours when frozen in a freezer set at -20°C. CryoSafe holds 12 tubes with an I.D. up to 12.4mm, such as CryoCare or other brands.