Features： *Made of high quality material, durable and practical to use. *Exquisite and delicate, highly matched with original equipment *To fit for Honeywell HRF-A300 / HPA300 series air purifiers. Filter Measures: 14.25” x 17.25”. Compatible with: for Honeywell HPA300, HRF-A300, Pre-filter A & HRF-AP1 series air purifiers. *Trap foul odors, dust, dander, pet hair and other airborne particles. *Keep your carbon filters fresh and clean until you are ready for a change! We recommend changing carbon filters every 1-2 months based on use. Package Contents: 4x carbon filters Note： 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Tired of Cheap Quality? Say no! Made of high quality material, durable and practical to use Please check the size, type and shape of the product picture before buying to ensure that the product is suitable If you have any questions, please feel free to contact us, we will solve it for you immediately Whether you have a positive or a wrong view of the product, we would love to see your comments Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues