【Higher-Efficiency 3 Stage Filtration System】 Air purifiers for bedroom in home features a Pre-Filter, H13 True HEPA Filter, Activated Carbon work together to re-m0ve 99.97% of airborne particles 0.3 microns in size, such as dust, smoke, pollen, pet fur, odor etc. Relief sneezing itchy etc and it's good choice for pets owner. 【Add Fragrance Design Sponge】HEPA air purifiers for home also has an aromatherapy add-on where essential oils (not inculded) can be applied to the sponge material (inculded 5 pieces replacement sponge) below the purifier air outlet . You can add any scent you want to get the freshest smell for your room. 【Circular Design for 360° Coverage】this air purifier with its cylindrical base, the unique top air outlet leaning on front for more direct air flow to users and increase 45% Circulation Spend than others. The cylindrical design is both pleasing to the eye and efficient. 【2023 New Updated - Energy Efficient】It is enough for this small air purifiers for pets to clean any spaces up to 215 square feet and only uses from 7 to 18 watts for power consumption. Noise Level: 24-50dB. You can use the air purifier 24/7 without worrying of the electricity bill. 【User-Friendly】①Pressing the child lock button for 3–5 seconds you'll freeze the touch panel. This is definitely a useful function if you have curious children or pets at home. ②The Check Filter Indicator will let you know when it’s time for a fresh filter and the filter’s actual performance will depend on how often you run your air cleaner and how air quality level is.