Compatibility: Our AP-T45 AP-T40FL HEPA Replacement Filter is designed for use with Purifier models AP-T45, T45WT, T40, T40WT, T40W, and TAR HEPA Filter. 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 filter provides a cost-effective solution for maintaining your 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 your filter every 6 to 12 months to maintain optimal performance. Please note: Slight color variations due to lighting or display differences may occur. These do not affect functionality. Color: As shown in photo Material: Plastic Package Contents: 1 x AP-T45 Filter Note: Other products are not included. Light reflection and different displays may cause slight variations in color. Measurement may vary by +/- 1-3 cm.