APDTY 112723 Cabin Air Filter Add-On Kit (Carbon Activated Charcoal Filter, Cover & Screws) 2007-2013 Escalade/Avalanche/Silverado/Suburban/Tahoe/Sierra/Denali/Yukon 23101674, 22759208 Allows Installation Of A Cabin Air Filter On Models That Do Not Currently Have A Cabin Filter Premium Carbon Activated Charcoal Filter Traps Odors As Well As Removing Particulates Prevents Leaves And Other Debris From Entering The HVAC Box Meets or Exceeds OEM Specifications