VEVOR Air Purifier with 3 Stage Stackable Negative Air Machine 550 CFM

3-stage filtration: This air purifier has a three-stage filter system consisting of a pre-filter (MERV-10), a carbon filter and a HEPA H13 filter. It effectively removes dust, pollen, smoke and odors, capturing 99.97% of particles as small as 0.3 micrometers. The result is a rapid improvement in indoor air quality and a more pleasant living environment., 550 CFM Airflow: This negative air machine features a high-efficiency copper motor, which is more durable and stable. With an inlet of 15.5 inches / 39.4 cm and an outlet of 8.5 inches / 21.6 cm, this air purifier offers optimal purification. It has a filter area of 2,150 cubic feet and a maximum airflow of 550 CFM (adjustable), ensuring that the entire room benefits from cleaner air., User-friendly control panel: The control panel makes it easy to use the air purifier's features, including adjusting the airflow range, setting a resettable timer, and activating a circuit breaker to protect against overheating. It also features a glowing indicator light to remind you when it's time to change the filter., Plug and Play: No assembly required; just plug it in and it's ready to use. There are two auxiliary outlets on the control panel so you can daisy chain up to three units with a combined airflow rate of 1650 CFM, making it ideal for heavy-duty restoration work in multiple rooms., Widely used: The air purifier weighs only 35 pounds and has a foldable handle so it can be easily carried and stacked in the corner when not in use. It is perfect for use in areas where air quality is a concern, such as when painting a house, on construction sites, for sewage disposal, in the catering industry in case of fire, during home repairs, etc.