High-Performance & Compact: The TredyHome HEPA Air Purifier refreshes the air in large rooms up to 1095 sq. ft at a rate of 1 time per hour, it can clean the air up to 4 times per hour, removing harmful particles such as allergens, molds, dust, smoke, and pollen through its patented 360-degree filtration system. Smart & Automatic: With AUTO MODE, the smart air purifier can adjusts fan speed automatically according to the air quality, 2-4-8H TIMER, SLEEP MODE,Filter Change Reminder and NIGHT-LIGHT MODE, this air purifier is designed for convenience and customizable options for your lifestyle. Built-in Air Quality Sensor: The TD-1500 HEPA Air Purifier is equipped with a built-in air quality sensor that detects surrounding air quality quickly, and the AQ Light indicates 4 levels of air quality(Red - Polluted | Orange - Normal | Green - Good | Blue - Pure), allowing you to monitor the purifier's performance easily. 4-Stage H13 True HEPA Filter: Its 4-stage filter includes a pre-filter that captures hairs, furs, and pets' dander, a true HEPA filter that removes smoke, dust, and pollen, an activated-carbon filter that eliminates odor, smell, and VOCs, and a protective net filter that stops any particles from going into the air fan system and protects the machine. Included Contents: Each package includes one TredyHome HEPA Air Purifier with an inserted HEPA filter and a customer manual book. Replacement filters are available in the TredyHome store (search ASIN: B08152MLP4). The filter usually lasts for more than 6 months if you use it normally and clean it every 1-2 weeks with a vacuum cleaner.. High-Technology: With its advanced technology, the TredyHome HEPA Air Purifier removes 99.97% of airborne pollutant particles as tiny as 0.3 microns, providing fresh, clean indoor air. TTrustworthy and Safe: The TD-1500 Home Air Purifier is FCC certified, ETL listed, and CARB Listed, ensuring its safety and quality. Ideal for Bedroom: The Air Purifier for bedroom is designed to be super quiet with a noise level of only 28dB, making it perfect for use while sleeping. Its night-light mode can completely off, creates a calming effect, helping you sleep better at night. Improve Indoor Air Quality: Invest in your health and breathe easy with the TredyHome HEPA Air Purifier. Perfect for those with allergies or wanting to improve their indoor air quality, this innovative device provides fresh, clean air in your home.