VIHIMAI 4-Layer Cabin Air Filter set designed for high-efficiency filtration. These premium filters feature a 99% filtration efficiency rating, effectively capturing dust, smog, pollen, spores, and PM2.5 particles to ensure clean air inside your vehicle. Constructed with four layers of protection, they offer low resistance while maintaining superior air permeability. This replacement set is compatible with models requiring CF11809 filters and includes installation instructions for a quick and easy setup.

Measurements:
• Air Permeability: 1100 l/m².S
• Weight: 400g/m²
• Resistance: > 13 PA