The Oreck Refrigerator Air Purifier Model Xj 100 is a product specifically designed to improve the air quality within refrigerators. By removing impurities and odors, this air purifier helps to keep the inside of the refrigerator clean and fresh. The Oreck brand is known for its quality and reliability when it comes to maintaining indoor air quality, making this product a trusted choice for those looking to freshen up their refrigerator environment.