CF11966 CP966 Cabin Air HEPA filters can effectively capture particles larger than 0.3 microns with a filtration efficiency of over 99.97%, effectively filtering out fine particulate pollutants in the air and improving air quality. The activated carbon has an extremely strong adsorption function, which effectively prevents dust, pollen and other substances from the outside air from entering the vehicle. Enhanced HVAC performance, Recommended replacement for every 12 months or 12,000 miles. Replace CF11966,13356914,13356916,13508023,22743911,23135671,23393247,XC10022C,XC10191,CF1184C,CF1185,CF1196,CF183,CF184,CF185,CF196,CF-283,PA10014,89211,CF1259,AFC1624,CAF1904C,CAF1904P,CU24003,CUK24003,4062,CAF2142,CAF2143,CAF2143C,230192,4211,94211,C38224,CAF1904,C38224,C38224C,TC38224C,CAF1904,MC10022C,CAF1904P,5535,VCA-1183,CA-1184,WCAF1904,AKX35725/C,24211,WP10192 CF11966 CP966 Cabin Air HEPA filters Suitable for multiple vehicles,for Buick Enclave Encore GX Envision Envista LaCrosse Regal Sportback Regal TourX.for Cadillac ATS,CT4,CT5,CT6,CTS,Escalade,EscaladeESV,XT4,XT5,XT6,XT6,XTS.for Chevrolet Blazer,Camaro,Colorado,Corvette,Cruze,Equinox Impala,Malibu,Silverado 1500,Silverado 1500LTD,Silverado 2500 HD,Silverado 3500 HD,Suburban,Tahoe,Trailblazer,Traverse,Traverse LimitedTrax.for GMC Acadia,Canyon,Sierra 1500,Sierra 1500 Limited,Sierra 2500 HD,Sierra 3500 HD,Terrain,Yukon,Yukon XL.