PUREFLOW 2027 Toyota Crown Signia Cabin Air Filter with HEPA and Antibacterial Technology, PC99237HX Sierra 2500 This layer is combined with

This layer is combined with baking soda to absorb bad odors

True Odor Control — Unscented By Design: Uses high-grade activated charcoal and OdorShield technology to help manage odors

Built with multi-layer filter media for consistent filtration performance between filter changes in everyday household heating and cooling applications

1st Stage: Particulate filtration media captures and eliminates matter such as dust and pollen

These PUREFLOW Home Air Filters are designed to capture dust

PUREFLOW 2027 Toyota Crown Signia Cabin Air Filter with HEPA and Antibacterial Technology, PC99237HX Sierra 2500 This layer is combined with1st Stage: For drivers and passengers who suffer from severe allergies, PUREFLOW HEPA (High Efficiency Particulate Air) offers 99. 97% efficiency, capturing microscopic pollutants including pollen and other allergens (may result in a minor restriction to airflow). 2nd & 3rd Stage: Activated charcoal adsorbs harmful gases like carbon monoxide and sulfur dioxide. This layer is combined with baking soda to absorb bad odors. 4th Stage: Advanced