Replacement Filter for Austin Air’s Most Advanced Air Purification System

The Austin Air Immunity Machine Replacement Filter is designed for Austin Air’s most comprehensive filtration system. The Immunity Machine is the top-tier option because it combines 8-phase impregnated carbon/zeolite, military-grade carbon cloth, and true medical-grade HEPA filtration to address a broad range of airborne contaminants.

This filter is designed to help reduce:

• mold fragments
• virus-containing airborne particles
• gases and odors
• ultrafine particles
• chemical pollutants and carcinogenic VOCs

Compared with standard filtration systems, the Immunity Machine is built for households prioritizing the highest level of environmental air protection, including homes concerned about mold exposure, chemical burden, immune stress, or overall indoor air quality. Austin Air’s comparison guide positions the Immunity Machine for heightened immune vulnerability and modern chemical pollutants, and notes its benefit for capturing and neutralizing pollutants including gases, VOCs, viruses, and ultrafine particles.

Austin Air filters are designed to last up to five years under normal residential use, making this a long-term replacement filter for continuous home air purification.

Orders ship directly from the manufacturer and are subject to manufacturer warranty and policies.