[Perfect Compatibility]Designed specifically for A2001 Air Purifiers. to verify your model before purchase to enjoy enhanced air quality with our premium HEPA filters. [Advanced 3-Stage Filtration]Experience a breath of fresh air with our 3-stage true HEPA filtration system. It effectively captures and reduces airborne particles and odors, ensuring your environment is safe and pleasant for everyday living. [Economical ]Receive with our A2001 replacement filters. Made from high-quality materials, these filters are an economical choice for maintaining in your home without breaking the bank. [User-Friendly Installation]Easily replace your old filter with our A2001 HEPA filter. A simple setup process involves pressing a button for 3-5 seconds to reset the change filter indicator, making maintenance hassle-free and straightforward. Color: White Material: Activated Carbon Cotton Package Contents: 1 * Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.