Featuring a 3 hour timer and powerful 1/5 HP motor, the P-250NT quickly freshens a room with odor neutralizing negative ions and a refillable fragranced bead cartridge. Experience the revitalizing effects of negative ions within minutes as they quickly disperse to eliminate dust, allergens, mold spores, pet dander, and other airborne pollutants. Weighing just under 10 lbs., this super portable air mover gives you the flexibility to improve air quality and eliminate odors while ventilating or drying.