PERFECT FIT - The AP-T10FL Replacement Filter is designed for Homedics TotalClean AP-T10-BK and AP-T10-WT air purifiers, with noted incompatibility for AP-T40/T30/T20 series units. 3-STAGE PURIFICATION - This three-stage filtration system integrates a pre-filter for capturing large particles, that filters out micron airborne contaminants, and an activated carbon layer with 2.5x enhanced density for neutra lizing household odors and VOCs. COST-EFFECTIVE BUNDLE - Each package contains 2 complete ap-t40fl filter unit with built-in pre-filter and full-wrap carbon layer, manufactured to exact 5.7"×5.7"×4.3" dimensions for airtight sealing. The industrial-grade construction maintains stable airflow for 6-8 months under average 8-hour daily operation. EFFORTLESS SETUP - With tool-free installation completed in under two minutes, the rigid frame design prevents warping while remaining fully compatible with your purifier's maintenance alert system through precise dimensional matching. CUSTOMER SERVICE - Supported by direct Amazon communication channels with 12-hour response commitments, we offer free replacements for transit-damaged filters and troubleshooting guidance to ensure year-round air quality control. AP-T10FL Replacement Filter Compatible with Homedics AP-T10-BK and AP-T10-WT Purifiers, 2-Pack