{"product_id":"kax-hepa-cabin-air-filter-cf11809-for-chevrolet-gmc-cadillac-oem-fit-hepa-carbon-odor-reduction","title":"KAX HEPA Cabin Air Filter CF11809 for Chevrolet GMC Cadillac — OEM Fit, HEPA + Carbon Odor Reduction","description":"\u003cp\u003e\u003cstrong\u003eThe KAX CF11809 is a premium HEPA cabin air filter engineered to fit select Chevrolet, GMC and Cadillac models while capturing ultrafine particles and reducing odors for cleaner in-cabin air.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned as a direct replacement for factory filters, the KAX ProSeries CF11809 combines a true HEPA-grade media with a dual-layer carbon matrix and optimized pleat layout. Its dimensions match OEM specifications so it installs behind the glove box without tools, and the component is sized to preserve airflow while improving filtration efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this filter fit?\u003c\/h3\u003e\n\u003cp\u003eThis KAX cabin air filter is produced to match exact OEM dimensions for a number of GM full-size trucks and SUVs. It fits model years and trims across Chevrolet, GMC and Cadillac lineup where the CF11809 configuration is specified.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: Silverado 1500 (2014–2018), Suburban\/Tahoe (2015–2020), Silverado HD series (2015–2022), and select 2019 models.\u003c\/li\u003e\n  \u003cli\u003eGMC: Sierra 1500\/2500\/3500 and Yukon\/Yukon XL models in the compatible year ranges (2014–2020).\u003c\/li\u003e\n  \u003cli\u003eCadillac: Escalade and Escalade ESV for 2014–2020 years where CF11809 applies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the KAX CF11809 improve cabin air compared to standard filters?\u003c\/h3\u003e\n\u003cp\u003eThe CF11809 uses a HEPA-compliant media layer plus a high-capacity activated carbon matrix to capture ultrafine particulates and adsorb odors. Independent testing shows enhanced particle capture performance relative to basic OEM parts, and the carbon layer helps reduce common cabin smells from traffic and road sources.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrue HEPA-grade layer captures 0.1–0.3 μm particles effectively.\u003c\/li\u003e\n  \u003cli\u003eDual-layer carbon matrix reduces volatile odors and contaminants.\u003c\/li\u003e\n  \u003cli\u003eEngineered to outperform standard OEM filters by a measurable margin in particle capture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter affect airflow or HVAC performance?\u003c\/h3\u003e\n\u003cp\u003eKAX optimized the pleat pattern and media density to lower airflow resistance while maintaining filtration efficiency. The design reduces pressure drop compared with denser aftermarket options, helping the vehicle’s HVAC system maintain strong airflow and avoid extra strain.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOptimized pleat geometry reduces airflow resistance by roughly 15% vs. denser designs.\u003c\/li\u003e\n  \u003cli\u003eMaintains effective cooling and heating airflow for consistent cabin comfort.\u003c\/li\u003e\n  \u003cli\u003eBalanced performance helps avoid unnecessary fan load and energy use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is the installation and what are the filter specs?\u003c\/h3\u003e\n\u003cp\u003eThe CF11809 is built to OEM size standards for a tool-free install behind the glove box; most users complete the swap in under five minutes. It is a disposable, non-washable single-piece filter supplied in a protective box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLocation: behind glove box; installation typically tool-free and fast.\u003c\/li\u003e\n  \u003cli\u003eDimensions: 9.8\" length × 9.2\" width × 1.2\" height; rectangular shape.\u003c\/li\u003e\n  \u003cli\u003eCare: not washable or reusable; single filter per package.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this filter is for: Drivers of compatible Chevrolet, GMC and Cadillac trucks and SUVs who want higher-efficiency cabin filtration, reduced in-cabin odors, and an easy OEM-fit replacement. It's suitable for owners seeking better protection from dust, pollen, road particulates and common odors without sacrificing HVAC airflow or requiring extra installation time.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the KAX CF11809 a true HEPA filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The CF11809 features a HEPA-compliant media layer designed to capture ultrafine particles in the 0.1–0.3 μm range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace this cabin air filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace annually or per vehicle manufacturer guidance, more often in dusty or high-pollution conditions for best performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KAX","offers":[{"title":"Default Title","offer_id":67594315038905,"sku":"B09KNFBNXM","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/kax-cf11809-front-packaging.jpg?v=1790582900","url":"https:\/\/redleafauto.ca\/products\/kax-hepa-cabin-air-filter-cf11809-for-chevrolet-gmc-cadillac-oem-fit-hepa-carbon-odor-reduction","provider":"Redleaf Auto","version":"1.0","type":"link"}