Austin Air 5-Stage 402 Filter

Elevate your indoor air with the Austin Air 5-Stage 402 Filter—the official replacement filter designed for the 5-Stage 402 system. This genuine Austin Air replacement filter, part number FR402B, renews filtration performance and keeps your air purifier operating at peak efficiency.

From the trusted Austin Air brand, the FR402B integrates seamlessly with the Pet Machine 402 Filter lineup, delivering focused removal of fine particles, pet dander, and odors while helping reduce VOCs. Built to fit your existing filter housing, it maintains strong airflow and long-lasting performance so you can breathe easier.

• Five-stage filtration for broad particle capture and odor reduction.
• Genuine FR402B replacement for precise fit and peak efficiency.
• Pet-friendly performance targets dander, hair, and common pet odors.
• Maintains consistent airflow to sustain purification between changes.
• Usually Ships in 1 Day for fast restock and minimal downtime.

Take control of your air quality with the trusted Austin Air name—add the Austin Air 5-Stage 402 Filter to your cart and breathe easier tomorrow.