1.[COMPATIBLE DEVICE]: D360 filter replacement is compatible with WINIX D360 filter replacement air purifier D3, compared to original filter part# 1712-0101-02. D3 filters will work as well as the ones which comes with the unit 2.[2-STAGE PREMIUM FILTRATION]: (1) Act1vated Carbon Pre-Filter (2) True HEPA Filter. This filtration system is perfect for households with pets, cooking, and smokers as it effectively purifies the air in your home 3.[HIGH-EFFICIENCY FILTER]: Designed to rem0ve most airb0rne particles including common aller9ens like p0llen and pet d@nder. With this high-quality filter, you can enjoy cleaner air in your home and breathe easier 4.[AFFORDABLE]: Our mission is to improve the and wellness of our community with purified air, while allowing everyone to get a better price. Save much cost for your all year round air cleaning need with filter replacement D3. BUY WITH CONFFIDENCE