3M FAP04-RC Filtrete Ultra-Slim Room Air Purifier Ultra-slim portable air purifier with electronic controls for rooms up to 150 square feet Filtrete filter captures 98 percent of large airborne allergens; ionizer with separate on/off 3 fan speeds, plus auto mode; CADR of 141 for pollen, 116 for dust, and 97 for smoke Timer; remote control; night light; filter-change indicator; wall-mounting bracket and filter included Measures approximately 4 by 17 by 23 inches; 1-year limited warranty