"LENGTH 6.138 IN. NOM;DIA.1.000 IN. MAX;MATERIALS:SHELL-STAINLESS STELL,CASTING ALLOY,SHAFT-STAINLESS STEEL;EACH AIRFLOW COMPARTMENT:PRESSURE TIGHT TO 15 PSI;HEATER:DUAL,30 TO 42.5 OHMS RESISTANCE,OPERATING VOLTAGE-115VAC HALF WAVE,LIFE-3000 HOURS MIN.;THERMOSTAT:CIRCUIT OPEN AT 280 DEG. F ON RISE,CLOSE AT 250 DEG. F ON DROP,MAX.,CURRENT MAX.:1 AMP RESISTIVE,ENDURANCE: 10,000 CYCLES MIN."