PUMP HAS 240V/60HZ;HAS SOUND LEVEL LESS THAN 70DECIBLES;HAS NORMAL AMBIENT MIN OF ZERO CELSIUS AND MX OF 40 CELSIUS;RELATIVE HUMIDITY MIN OF 10% AND MAX OF 95%;PUMP MUST BE INSTALLED INSIDE AN ENCLOSURE;ENVIRONMENT CLEAN DUST FREE;INLET AIR DENSITY 0.075 LBS./CU FT;INLET AND OUTLET HAS 0.125 NPT;TEMPERATURE 23C/73.4F