Thank you very much for sharing your feedback. We are sorry to hear that the purifier did not meet your expectations. We understand that noticeable performance and tangible benefits are essential when selecting a product of this nature, and we sincerely appreciate you taking the time to let us know. Our goal is to provide solutions that make a meaningful difference to your environment and overall well-being. If you are open to it, we would welcome the opportunity to learn more about your experience and explore options that may be better suited to your needs. Please feel free to contact our customer support team via chat or voice assistance, we are here to help.