Low-Liquid Alarm (Accessories)

To protect valueble biological samples this alarm will sound promptly to alert you when more liquid nitrogen is needed. It is best suited for the infrequently used refrigerators and is recommended for stored product protection. It is equipped for battery operation. For use with XT20, XT34, HC20, HC34, HC35, VHC35, 3K, LS750, LS3000, LS4800 and LS6000.