[High-Performance 3-Stage Filter & 360° Air Intake] The B-D02U air purifier has a high-performance 3-stage purification system, plus the 360° air intake design, can efficiently capture 99.97% of air particles from all around as small as 0.3 microns such as wildfire, smoke, pet hair, dander, dust, pollen, odors, etc. With coverage up to 1400ft², the air purifiers for home large room can relieve uncomfortable symptoms caused by air pollutants so that you can enjoy a clean and fresh air environment

[3 Fan Speed & Aromatherapy Diffuser] The home air purifier has 3 adjustable fan speeds 1F/2F/3F, which is convenient for you to choose the suitable fan speed according to the ambient air quality. Add 4-5 drops of your favorite essential oils to the aroma pad (bonus extra 4 pads) when you are at home. And as the air purifier works, the top aromatherapy diffuser will spread clean and fragrant airflow around the room to help you relax better.

[Ultra-Quiet Sleep & Warm Night Light] Choose the sleep mode at night, the bedroom air purifier will automatically reduce the noise to a near-silent at 15dB and all indicator lights will turn off, to ensure not interfere with your sweet sleep. The optional warm night light takes more care of babies and prevents elders fall. Even light sleepers can enjoy comfortable air and peaceful sleep on a quiet night.

[4 Adjustable Timers & Child Lock] The HEPA air purifier is designed with an adjustable timer for 2/4/6/8 hours. So you can flexibly set the usage time and refresh the air at regular intervals, and don't have to worry about wasting power energy while you are sleeping or away from home anymore. Use the "Lock" button to lock the current setting at any time, preventing your baby or pet from accidentally touching the buttons.

[Filter Replacement Reminder] VEWIOR air purifiers are equipped with a filter replacement reminder, guaranteeing you enjoy fresh air all the time. Once the filter has been used for more than 1440 hours, the indicator light will start flashing to remind you to change the filter. For the health of you and your family, we recommend replacing the filter cartridge once every 3-6 months.