CAPTURING 99.97% OF PARTICLES The Jafanda JF100 air purifier features a 3-stage True HEPA filtration system: 1, Pre-Filter: This stage mainly blocks larger air pollutants, such as lint, fibers, pet fur and other large particles. 2, HEPA filter: This filter is made of high-quality materials and can isolate medium-sized pollutants such as bacteria, mold, pollen, pet dander, smoke, and dust. 3, Activated carbon filter: This filter can absorb VOCs, pet odors, cooking smells Our 3-stage filtration system effectively removes 99.97% of airborne particles as small as 0.3 microns, and even smaller as small as 0.015 microns. 450 FT² COVERAGE JF100 air cleaner features a DC brushless motor that provides powerful and continuous power to quickly refresh the air. After testing by professional laboratory, JF100 can quickly refreshes the air 2x per hour in rooms as large as 450 ft². it is very suitable for your bedroom, offices and other small rooms. CERTIFIED AIR PURIFIER JF100 air purifier certified from ECARF, Energy Star, CA65, ETL, FCC, CARB and EPA, which means it has been rigorously tested of these 7 professional organizations to meet high standards of performance, safety, energy efficiency and environmental impact. Especially certified by the European Center for Allergy Research Foundation (ECARF), JF100 can effectively reduce allergens and improve indoor air quality. 22 DB QUIET SLEEP MODE Based on laboratory testing, normal conversation is about 60 decibels, and a whisper is 30 dB. The Jafanda JF100 room air purifier operates at a mere 22 dB in sleep mode, ensuring undisturbed sleep for your baby and pets. 3 LEVELS NIGHTLIGHT JF100 air purifier with 3 brightness levels to choose from, 25% brightness, 50% brightness, 100% brightness, you can adjust the light according to your preferences. The non-dazzling glow is perfect for children too.