Bionaire BAP1700INT Tower &ldquo;TRUE HEPA&rdquo; AIR CLEANER/ PURIFIER 220-240 Volt/ 50 HZ (INTERNATIONAL VOLTAGE & PLUG) FOR OVERSEAS USE ONLY WILL NOT WORK IN THE US, OUR PRODUCT ARE BRAND NEW, WE DO NOT SELL USED OR REFERBUSHED PRODUCTS. 220-240 Volt/ 50 HZ, Tower TRUE HEPA AIR CLEANER/ PURIFIER, CADR: 170m3/ h. Air Flow Rate 170m3/ hour Air Flow Rate 170m3/ hour, Ideal for Large rooms up to 34m2, 110 Smoke CADR, Filter service indicator, Independent Ionizer, Programmable timer, 3 speed setting, Helps remove up to 99% of airborne pollutants, at 2 Microns or larger from the air that passes through them. These include tobacco smoke, household dust, pet dander and pollen, Air quality sensor automatically adjusts speeds to optimize air quality, 5 Stage filtration system