Envion - Therapure TPP640 Air Purifier Tower with Air Sensor, Handle, and Remote Control (Black) New Open Box Clean Excellent Condition HEPA-TYPE FILTER: This high-quality machine effectively reduces PM 2.5 particles, mold, smoke, germs, bacteria, allergens, pet dander, dust, odor, and chemical gases from the air in your home. Its convenient built-in handle makes it easily portable. AUTO MODE: Equipped with an air sensor to monitor the quality of your air. The monitor will test the air quality and auto-adjust the fan speed to remove the air contaminants. The front display is equipped with lights to notify you of the air quality. SANITIZES AND PURIFIES: It cleans the air through patented UV Germicidal technology; CADR: Pollen – 145, Dust – 137, Smoke – 129. The UV light helps reduce airborne germs & bacteria, and its photocatalyst filter helps reduce fumes and chemicals. TRIPLE ACTION PURIFIER: This machine is made to purify the air in medium to large-sized rooms (up to 300 sq. feet) up to 3.5 times in one hour! It has a 3-speed fan setting that lets you select the desired cleaning level, depending on the room. Features include 3 fan speeds, UV-C light technology, cleanable HEPA-Type filter, photocatalyst filter, cleanable pre-filter, an ion generator, dim mode, & a clean-filter indicator light. It also comes with a remote control for use anywhere in the house.