【Vehicle Applications】2017-2024 Acadia;2015-2021 Canyon;2020-2024 Sierra 1500;2020-2024 Sierra 2500;2020-2024 Sierra 3500;2018-2024 Terrain;2021-2024 Yukon;2021-2024 Yukon XL 【Cabin Air Filter Material】：Melt blown electrostatic layer+ HEPA filter layer+ coconut shell activated carbon.The products are made of high grade materials and undergoes strict quality control，ensure reliable performance and long-lasting durability. 【Filter Material】The filter uses HEPA filter element technology,With high density electrostatic electret filter and special Honeycomb Design could more effectively adsorb particles and gases, filter particles above 0.3 microns in 30mins. Compared with traditional filter materials, Its media is tighter. The advantage is that the 0.3 micron filtration efficiency is as high as 99.112%. 【Reliable Performance】Strengthened with a honeycomb mesh, our filter evenly distributes activated carbon, increasing the adsorption strength of harmful air gases and peculiar smells. Experience fresher and cleaner air inside your vehicle. 【Easy Install】: Pre-processed and ready to be placed in your factory air box, install in a short time, no tools. Suggestion Replace every 12 months or every 12,000 to 15,009 miles, especially desert and wet areas.