Bosch C3947WS Activated Charcoal Cabin Air Filter

The Bosch C3947WS is a premium activated charcoal cabin air filter designed to provide superior air quality inside your vehicle. This advanced filtration system combines particulate filtration with activated carbon technology to remove dust, pollen, allergens, and harmful odors from the air entering your cabin.

Key Features:

• Activated charcoal layer absorbs exhaust fumes, odors, and harmful gases
• Multi-layer filtration media captures 98% of airborne particles as small as 5-10 microns
• Electrostatically charged filter media enhances particle capture
• Helps maintain HVAC system efficiency by preventing debris buildup
• Direct-fit replacement for easy installation
• Recommended replacement every 12,000-15,000 miles or annually

Bosch cabin air filters are engineered to meet or exceed OE specifications, ensuring proper fit and optimal performance. Regular replacement of your cabin air filter helps protect your health, improves airflow, and keeps your vehicle's interior fresh and comfortable.