Envion Therapure 230H Air Purifier HEPA-Type Filter UV Germicidal White Envion: Healthy Home Who We Are ENVION is a BONECO AG company. Today the family-owned company BONECO AG is part of the PLASTON Group and is internationally active in portable air treatment solutions for living areas. It all began in the garage next to the family home in 1956 thanks to the help from the entire family. Hans Frei and his son Roland Frei founded the PLASTON company despite trying economic conditions. It became a success story and continues to this day under the BONECO brand. BONECO has since grown its brand to include ENVION which has helped broaden the products offered allowing more households the opportunity to achieve a healthier home environment by finding the right product that fits their needs and price range. While always keeping quality and affordability in mind ENVION continues to lead in product development and engineering with the main goal of helping everyone achieve a healthy home environment! What Sets Our Products Apart Therapure: The Air Purification Powerhouse The Therapure line includes models for a wide variety of needs. So you’re sure to find one which perfectly suits your needs. And most models are a triple-action powerhouse of air purification using HEPA-Type UV Light and Photo Catalyst technologies to deliver maximum protection. Cleanable Filters To Save You Time and Money The Therapure filters are cleanable and last up to 12 months saving you hundreds of dollars during the lifetime of your device on filters. The Therapure line helps you ensure that the air your family breathes is free of allergens pollutants irritants germs viruses bacteria and toxins. Our Therapure tower air purifiers are engineered for maximum effectiveness and in doing so we outpace the competition.