Dewar Level Measuring Ruler; 39"

Enhance storage and monitoring your temperature-sensitive samples|Robust cryopreservation solutions for long-term storage and transport of biological samples Optimize sample protection and transportation with these dewar accessories|Measuring ruler measures the level of LN2 within your dewer|Ruler is 39" (99 cm) long|These Cole-Parmer Polarsafe dewar accessories are compatible with Cole-Parmer PolarSafe Cryogenic Storage and Transport Dewars. Choose from a wide range of accessories including Smart Caps, trolleys, dewar monitor, and level rulers. Choose accessories that are compatible with the size of dewar you have. These accessories can be used with Cryogenic Storage and Transport Dewars, Cryogenic Storage Dewars with Racks, and Dewar and Traceable Temperature Data Logger Bundles.|Measuring rods provide an easy, efficient way to measure, in inches and centimeters, the liquid nitrogen level within a dewar.