The Austin "it" filter utilizes medical-grade HEPA technology to capture 99.97% of particles over 0.3 microns and 99% of those over 0.1 microns, including dust, pet dander, viruses, bacteria, mold, spores, and pollen. The "it" HEPA filter is built to last up to five years in typical home environments.

The Austin "it" HEPA replacement air filter can be upgraded with a dual-stage VOC Carbon Wrap, which absorbs VOCs, chemicals, gases, and odors. The VOC Carbon Wrap is designed to last up to three months under regular conditions.