Compatibility: Our AP-T45 AP-T40FL HEPA Replacement Filter is designed for RENPHO 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: Features advanced H13 True HEPA filtration technology that 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: Durable construction provides long-term value and helps reduce the need for frequent replacements. It is recommended to replace the filter every 6 to 12 months to maintain optimal performance. Color: As shown in photo Material: Plastic Package Contents: 1 x AP-T45 Filter. Only the listed item is included; other products are not included. Note: The actual color may vary slightly due to lighting and display differences. This does not affect functionality. Measurement error allowance is +/- 1-3 cm.