Compatibility: Our AP-T45 AP-T40FL HEPA Replacement Filter is designed for use with Purifier models AP-T45, T45WT, T40, T40WT, T40W, and TAR. This filter fits seamlessly into your purifier, ensuring optimal performance. H13 True HEPA Filter: The AP-T45 AP-T40FL HEPA Replacement Filter features advanced H13 True HEPA filtration technology. It effectively captures particles as small as 0.3 microns, including dust, pet dander, smoke, cooking odors, and other airborne pollutants. Long-lasting and Cost-effective: This replacement filter provides a cost-effective solution for maintaining your air purifier's performance. Built with durable materials, it is designed to last, offering long-term value and reducing the need for frequent replacements. It is recommended to replace the filter every 6 to 12 months for best results. Note: Slight color variations may occur due to lighting and display differences. These variations do not affect the functionality of the filter. Color: As shown in photo Material: Plastic Package Contents: 1 x AP-T45 Filter Note: Only the items listed above are included; other accessories are not included. Note: Lighting and screen settings may cause slight color differences between the image and the actual item. Measurement may vary by +/- 1-3 cm.