MAHLE Original LAK 278/S Cabin Air Filter Reduces the load on the blower, protects heating and climate control from contimination, and improves air circulation Premium sealing technology assures leak free assembly and operation over the lifetime of the filter Every MAHLE Original cabin air filter is designed to vehicle manufacturers' (OEM) specifications Superior embossed and pleated filter media for high dirt holding capacity and low pressure drop European engineered design and manufacturing