The HEPA cartridge captures the smallest particulates. Overtime (2-5 years) it will become clogged with particulates and significant airflow reductions will occur. This Genuine Amaircare is a 16-inch Easy Twist Replacement HEPA filter for High Quality HEPA Air Filtration Systems. Part # 90-T-16ME-ET.
Amaircare 7500 High Quality HEPA Air Filtration System
Amaircare 10000 High Quality HEPA Air Filtration System