*Cabin Air Filter Material*:Melt blown electrostatic layer+ HEPA Filter layer+ Nutshell activated carbon. *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. *Compatible With Models*:Dodge Durango 2011-2023,Jeep Grand Cherokee 2011-2021, Grand Cherokee WK 2022. *Alternate/OEM Part Number(s)*:6040C, CF11183, CP183. *Easy Install*: pre-processed and ready to be placed in your factory air box. Usually, Install in a short time, no tools required.But we added the kit, for better service. *Cabin Air Filter Material*:Melt blown electrostatic layer+ HEPA Filter layer+ Nutshell activated carbon. *Compatible With Models*:DODGE DURANGO(2011-2023),JEEP GRAND CHEROKEE(2011-2021) GRAND CHEROKEE WK 2022. *Alternate/OEM Part Number(s)*:6040C. *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. *Suggestion from Cabin Air Filter Manufacturers*: Replace every 8-12 months or every 12,000 to 15,000 miles, especially desert and wet areas. *Design*:With a high-density electrostatic electret filter and special Honeycomb Design, they had nutshell activated carbon inside so the maximized the filtration area. provide more filtering power and longer service life. *Please enter the year/brand/model of your vehicle before purchasing, and then check whether the accessories are suitable.