A selection of JR Performance Air Filters in stock and ready to ship! JR filters have a filtration rate of 99% at 2.8 microns and never have to be replaced. All JR Filters are TUV approved and are guaranteed for the lifetime of the vehicle. JR Airfilters are manufactured with 4 layers of surgical cotton, which are held together by 2 layers of steel wire mesh. To prevent rust, they are galvanized and covered with plastic which gives double security. Up to 40% more air passes through these filters. The filtering capacity is more than 97.5%. The major car manufacturers demand only a filtration rate of 96%. JR Filters are washable which means they are always reuseable. Power and torque will be increased and fuel consumption reduced. Tests have proved that vehicles equipped with these kinds of filter, have between 7.5 and 8% less fuel consumption. No replacement will be necessary, JR filters last longer then the lifetime of your car.