Polyscience MX Immersion Circulator Specification Description 135, Immersion Circulator Controller Type MX Immersion Display 3.25" LCD Languages Supported English Working Temperature Range °C Ambient +10° to 135° Temperature Stability °C ±0.07° Temperature Calibration Capability 1-point Pump Type Pressure Flammability Class (DIN 12876-1) I (NFL) Working Temperature Range °F Ambient + 20° to 275° Working Temperature Range °C Ambient +10° to 135° Reservoir Capacity (gallons) 7.4. Shipping Information: Signature REQUIRED Upon Delivery of this item. Any fees associated with return shipments to our warehouse due to failure to sign for or pick-up order(s) are customer responsibility.