1000 Replacement filter for AirDoctor 1000 Air Purifier, 2-Pack Integrated Premium with Activated Carbon and Pre-Filter

Compatible Replacement (Non-OEM) Replacement filters designed for AD1000 Air Purifier. Easy to install and a cost-effective alternative to original filters. | High Pleat Density Integrated filter with advanced media and 50% larger surface area, helping maintain consistent performance and longer service life. | 3-in-1 Structure Combination of fine filtration layer, activated carbon layer, and nylon pre-filter, supporting multiple stages of air cleaning. | Durable Construction Built with a sturdy plastic frame that resists moisture and deformation, ensuring a stable installation. | Maintenance Recommendation For best performance, replace the filter approximately every 6 months, depending on usage conditions.