Billowy Cabin Air Filter CF11966 — Nutshell Activated Carbon, HEPA-like Multi-Layer (Fits GM 2016–2025)

This cabin filter combines a melt-blown electrostatic layer, a HEPA-like filtration layer, and a nutshell activated carbon honeycomb core to increase filtration surface and odor control. It replaces a range of OEM part numbers (including 13356914, 13356916, 13508023, 22743911, 23135671, 23393247) and fits many Chevrolet, GMC, Buick and Cadillac models from roughly 2016–2025. The design is intended for straightforward, tool-free installation into the factory cabin air box and includes a long limited warranty for added confidence.

Will this Billowy filter fit my vehicle?

Compatibility spans multiple GM platforms; confirm fit by entering your vehicle year, make and model before ordering. The listing covers a broad set of Chevrolet, GMC, Buick and Cadillac models — consult the details page or your owner’s manual for exact fitment guidance.

• Compatible families include Silverado, Sierra, Tahoe, Suburban, Colorado, Equinox, Traverse, Blazer, Malibu, Impala, Camaro and more.
• Specific model years listed: ranges from 2013–2025 across different brands and trims.
• Alternate/OEM part numbers provided for cross-reference with dealership parts catalogs.

How does the multi-layer construction improve in-cabin air quality?

The CF11966 uses three filtration elements to address different airborne contaminants. The melt-blown electrostatic layer captures fine dust, the HEPA-like layer increases particle removal efficiency, and the nutshell activated carbon neutralizes odors and volatile compounds.

• Electrostatic media attracts and holds small particles like pollen or road dust.
• High-density HEPA-style layer improves micron-level filtration performance.
• Nutshell activated carbon honeycomb reduces common odors, fumes and volatile organic compounds.

How simple is installation and maintenance?

Billowy prepares the filter pre-cut to factory dimensions so it drops into the original cabin air box without trimming. Most installs require no tools and take only a few minutes when following vehicle-specific access steps in the owner’s manual or online guides.

• Pre-processed fit for direct replacement into the factory air box.
• Tool-free installation in most vehicles; remove the glovebox or filter cover depending on model.
• Replace at regular intervals suggested by driving conditions and manufacturer recommendations for best performance.

What warranty and support does Billowy provide?

This product carries a 10-year/million-mile limited warranty, reflecting confidence in its materials and build. Billowy offers customer support for fitment questions, installation tips, and any warranty claims to help ensure proper performance.

• 10-year/million-mile limited warranty included.
• Customer support available for fit checks and installation guidance.
• Provides alternate OEM numbers to simplify cross-referencing and returns.

Who is this for: Drivers of Chevrolet, GMC, Buick or Cadillac vehicles that want an aftermarket cabin filter combining particle filtration and activated-carbon odor control. It's aimed at owners who prefer easy, direct-fit replacements that improve in-cabin comfort without specialty tools and who value documented compatibility and warranty coverage. Ideal for commuters, families, fleet operators and anyone sensitive to road dust, pollen or common vehicle odors.