The Oreck XL Professional Type 1 Air Purifier is a plug-in filtration system designed for whole-room use. Featuring ionizer technology, this model is capable of capturing allergens, dust, and bacteria to improve indoor air quality. With its quiet operation, it is a reliable and efficient solution for maintaining a clean and healthy environment in your home or office space. Tested and proven to work effectively, the Oreck XL Professional Type 1 Air Purifier is a trusted choice for those looking to freshen up their indoor air.