Cabin Air Filter Material：Melt blown electrostatic layer+ HEPA Filter layer+ Nutshell activated carbon. Compatible With Models:Subaru Ascent（2019-2025），Crosstrek（2018-2023），Impreza（2017-2023），Legacy（2020-2025），Outback（2020-2025）. Alternate/OEM Part Number(s)：72880FL00A/CF12436 Comfortable Car Environment：Cabin Air Filters prevent harmful fine particles and dust from entering the vehicle cabin while keeping a clean and healthy environment for passengers. Design：Upgraded on the base OEM filter, our styling design fits more tightly into the cabin, the maximized the filtration area, with air filters filtering up to 99.8%. So it maby will make you feel less airflow, to health of you and family, I believe you will have a wise choice. Cabin Air Filter Material：Melt blown electrostatic layer+ HEPA Filter layer+ Nutshell activated carbon. Compatible With Models:Subaru Ascent（2019-2025），Crosstrek（2018-2023），Impreza（2017-2023），Legacy（2020-2025），Outback（2020-2025）. Alternate/OEM Part Number(s)：72880FL00A/CF12436 Comfortable Car Environment：Cabin Air Filters prevent harmful fine particles and dust from entering the vehicle cabin while keeping a clean and healthy environment for passengers. Design：Upgraded on the base OEM filter, our styling design fits more tightly into the cabin, the maximized the filtration area, with air filters filtering up to 99.8%. So it maby will make you feel less airflow, to health of you and family, I believe you will have a wise choice.