PolyScience presents the Model 8305 Circulating Water Bath designed specifically for Coliform testing. It exceeds all official method accuracy and stability specifications for coliform and E. coli testing. Temperatures range from ambient +5° to 100° C, and are easily set with a push of the temperature adjust knob. Actual temperatures are constantly displayed on its bright LED display. See through cover has a unique drip-free design that allows condensate to drain back into the bath. Built-in two-speed pump circulates water within bath and permits circulation to external apparatus using closed-loop configuration. PolyScience Card No. 277