1.[ONLY COMPATIBLE WITH JF100]: Our JF100 replacement filter is fully compatible with JF100 Air Purifier. (Claim: Any use of the brand name or model designation for this product is made solely for purposes of demonstrating compatibility) 2.[3 STAGE OF FILTRATION]:The premium JF100 filtration system are composed of true HEPA filter, activated carbon filters and pre-filters. Attaching airborne like dust, pollen, pet hair, dander as small as 0.3 microns. Take in odor from cooking, pets, VOCs 3.[COST-EFFECTIVE INVESTMENT]: Package contains 2 pack JF100 replacement filters, packaged well in sealed plastic wrap. Selecting our high-quality & durable filters with maximum efficiency can help you save your cost. They are an efficient investment 4.[EASY TO INSTALL]: We recommend that you replace the filter at least once every 4 to 6 months depending on your usage. It Installs simply and fits snugly, ensuring you to replace your old filter in minutes. Please take off the plastic packaging before use 5.[TRUE HEPA FILTER]: The JF100 H13 True HEPA filter attaching 99.97% of 0.3 micron airborne pollutants, collect dust, pollen, pet dander, etc. True HEPA filtration eases sneezing, itching, and other discomfort by purifying the air you breathe 6.[Activated Carbon Filter]: JF100 filter with activated carbon catalytic process at room temperature, smaller wind resistance, larger volume, more carbon, less odor. Carbon mesh can take in household kitchen odor, litter box odor, smoke, pet odor, VOCs