Perfect Compatibility: AP-T40 replacement filter is compatible with HoMedics TotalClean Purifier Models AP-T40FL, AP-T40WT, AP-T45-BK and AP-T45-WT, 1461901(Costco Model), 【𝐎𝐧𝐥𝐲 𝐟𝐨𝐫 𝐋𝐚𝐫𝐠𝐞 𝐑𝐨𝐨𝐦: 𝟐𝟒𝟓𝐟𝐭² & 𝐄𝐱𝐭𝐫𝐚𝐥 𝐋𝐚𝐫𝐠𝐞 𝐑𝐨𝐨𝐦: 𝟑𝟒𝟑𝐟𝐭²】𝐀𝐏-𝐓𝟐𝟎 𝐒𝐦𝐚𝐥𝐥 𝐑𝐨𝐨𝐦 (𝟏𝟕𝟎 𝐬𝐪 𝐟𝐭), 𝐀𝐏-𝟑𝟎 𝐌𝐞𝐝𝐢𝐮𝐦 𝐑𝐨𝐨𝐦 (𝟏𝟗𝟓 𝐬𝐪 𝐟𝐭) 3-Stage Premium Filtration： (1) Pre-Filter (2) H13 True HEPA Filter (3) Activated Carbon Filter.This filtration system is ideal for households with pets, cooks, and smokers as it effectively purifies the air in your home 𝐕𝐚𝐥𝐮𝐚𝐛𝐥𝐞 𝐏𝐚𝐜𝐤𝐚𝐠𝐞: 𝐏𝐚𝐜𝐤𝐚𝐠𝐞 𝐢𝐧𝐜𝐥𝐮𝐝𝐞𝐬 𝟐 x New AP-T40FL Replacement Filter & 𝟏 x 3W AP-UV1 Bulb Premium Filter: Our AP-T40FL replacement filter can efficiently filter while reducing wind resistance, will not increase the burden on the fan, will not affect the service life of the machine, and has the same quality and functionality as the original, we have tested it before selling it, please Buy with confidence Replacement And Installation:Replacement And Installation:The AP-T40 filter is easy to be replaced without any other tools,it doesn't take much time.It is recommended to replace the AP-T40 replacement filter every 6-12 months (replacement time varies according to usage time and installation environment). This product is a consumable，If dirt is obvious and the effect is reduced, it is recommended that you replace it immediately. If you encounter any problems during the purchase process, please feel free to contact us AP-T45 AP-T40FL True HEPA Filter Compatible With Homedics TotalClean Purifier Models AP-T40, AP-T40WT, AP-T43-WT, AP-T45-BK & AP-T45-WT, Costco Model 1461901