Ryco Cabin Air Filter With Activated Carbon Ryco Cabin Air Filters deliver an improved cleaner breathing environment for vehicle passengers. Features and Benefits Contaminant Reduction: Reduce the amount of harmful contaminants entering the vehicle via the heating ventilation and air-conditioning (HVAC) system. Health Protection: Reduces respirable particles that lead to respiratory problems, headaches, nausea & fatigue. Allergy Defence: Allergy protection for vehicle occupants from allergy causing particles such as pollens, fungus spores, dirt and bacteria. Cleaner Interior: Filters out dirt and dust which build up on a vehicle's interior surfaces. Technical & Maintenance Advanced Filtration: Electrostatically charged PP fibres to trap extremely small harmful particles. Service Interval: Recommended service interval 15,000 km or one per year. Warranty: New Vehicle Warranty Protection.