Bionaire BAP825WO-U HEPA-Type Tower with Remote Control with Aer1 Total Air Filter Space-saving tower design for rooms up to 180 square feet HEPA-type filter removes up to 99-percent of airborne particles; filter-service indicator 3 speed settings; Optional Ionizer assists in particle removal; remote control included CADR of 116 for smoke, 110 for dust, and 110 for pollen