Dual filtration: This HEPA air purifier filter can remove 99.97% of particles as small as 0.3 micrometers from your home. These are genuine replacement HEPA air filters featuring a dual filtration design. High-quality activated carbon helps eliminate odors and keeps your home smelling fresh. Ideal for use in both home and office air purifiers, these filters effectively capture odors from cooking, smoke, pets, and other sources. Compatible with Pure Cool HP03, DP01, DP03 desktop air purifiers, and HP02, HP01, HP00 Pure Hot + Cool Link air treatment units. Please verify your filter size before purchasing. The air purifier replacement filter helps improve indoor air quality by reducing odors and airborne particles, providing a cleaner and healthier breathing environment year-round. HEPA filters with high sealing performance help capture dust, pollen, PM2.5, and other airborne particles. It is recommended to replace the filter every 6 to 8 months, depending on usage. Color: Material: Plastic Package Contents: 1 x Purifier filter Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.