Levoit Air Purifiers for Home Dust Smoke Pet Hair, Up to 40m², H13 True HEPA Air Filter with Timer, Sleep Mode, Ozone Free, 24dB Quiet Air Cleaner for Bedroom, Office, Core 300, White

4 customized replacement filters: depending on different individuals' needs, we provide four types of filters for purchase: original filter, pet allergy filter, toxin absorber filter, mould & bacteria filter for choose Improved 3-stage filtration: with larger expansion area and longer length than others, the h13 true hepa filter works with ultra-fine pre-filter and activated carbon filter Most silent air cleaner: the noise level is nearly voiceless at sleep mode with only 24db, its quietkeap technology reduces noise so you can sleep in a restful and soothing indoor environment Ultra-long service life: industry leader provider's bearing makes this levoit core 300 hepa air purifier durable and reliable 100% ozone free: levoit air purifiers avoid using uv/ion light, an air cleaning method that research has shown can produce harmful ozone and secondary pollution undisturbed operation: display light can be turned off to enjoy a perfect night of sleep without the effect of light