[Fits Like a Glove]: HSIAMEN AP-T45 filter replacement is compatible with HoMedics Air Purifier Total-Clean Tower Series models AP-T40 AP-T40WT (for Large Room 245 sq ft), AP-T40WTAR AP-T45 AP-T45WT (for Extra Large Room 343 sq ft), compare to part# AP-T40FL. It's also compatible with Costco 1461901, 1363711, 1356114, 1467939, 1472383. It works as well as the original ones that came with the unit [4-Stage Premium Filtration]: (1) Pre-Filter (2) H13 True HEPA Filter (3) Act1vated Carbon Filter (4) Net Filter. AP-T40FL replacement filter is perfect for households with pets, cooking, and smokers as it effectively purifies the air in your home [H13 True HEPA Filter]: Designed to rem0ve most airb0rne particles including common aller9ens like p0llen and pet d@nder. With the AP-T45 AP-T40fl filter, you can enjoy cleaner air in your home and breathe easier. This fantastic air filter ensures a comfortable environment for all family members [Act1vated Carbon]: 1461901 filter replacement features act1vated carbon material that eliminates and neutralize unwanted scents such as frying bacon, wet dogs, or fireplace sm0ke, ensuring a pleasant indoor environment. Breathe easy during pet playtime [Ensure the Best Performance]: Year-Round Pure Air, Zero Hassle. Maximize savings for your year-round air cleaning needs. It is recommended to replace the AP-T40 replacement filter every 6-12 MONTHS, depending on air quality and frequency of use. We are committed to providing ongoing support and assistance whenever you need it [Confirm Model Number Before Ordering]: If you require the AP-T40FL filter, then you have certainly come to the right place. If not, you can easily find the right model by searching for the following ASINs: B09B6W4CYP(AP-T10FL), B09CGY779B(AP-T20FL), B09VT23DNB(AP-T30FL), B09VT23DNB(AP-PET35) AP-T45 AP-T40FL Replacement Filter Compatible with 1461901 HoMedics Air Purifier Filter Replacement for AP-T45 TotalClean 5 in 1 Model AP-T40 AP-T40WT AP-T40WTAR AP-T45WT H13 True HEPA, 2-Pack