MAHLE engine air filter LX 3901 // Dimensions (mm): L: 235 x W: 180 x H: 52 // Premium filter in OE quality High quality filter material for durability, meeting vehicle manufacturer’s quality, maximising fuel efficiency Captures up to 99.98% of toxic dust, soot, and tyre particles; High dust holding capacity Impregnated with special synthetic resin that increases the resistance of the filter to water and chemicals; Glue beads on the backs of the folds help the filter elements retain their shape Prevents premature wear of valves, cylinder surfaces, piston rings, bearings, and other engine components; Must be replaced at the intervals prescribed by the vehicle manufacturer