Compatible with Mazda 3 2014-2018, Mazda 6 2014-2021, CX-5 2014-2025 AirTechnik activated carbon cabin filters provide a steady source of clean air to ensure breathing comfort, which filters up to 99% of road dust and other particles from entering your vehicle Designed for clean improved air flow and prevent particles from forming inside the vehicle with our 3 Stage Filtration Technology – 1) Particulate Filter 2) Activated Carbon Layer 3) Reinforcement Layer Cabin air filters should be replaced at least once every 12 months. Every filter comes with installation instructions for fast and simple replacement. Replaces Fram: CF11811 | Mann-Filter: CU24009 | Mazda: KD45-61-J6X, KR11-61-J6X, MP11-1K-D45 - Verify fitment by Using Amazon Part Finder, Weight: 0.31875 Pounds, Manufacturer: AirTechnik