BMC Air Filter Element 08-13 Touring (NU). As used in Formula 1, Le Mans, Moto GP and World Superbike. Designed as an direct replacement, no hassle fit, upgrade for the OEM paper air filters. Manufactured with a metallic mesh which contains multiple cotton layers of oiled filtration material. This allows improved air flow, sufficient for stock to all-out performance applications. To further help prevent small impurities enter the engine filtration oil is used to create a’sticky’ barrier which allows air flow but helps retains small particles up to 7 micron. All filters are precision made and continuously checked during production for the highest obtainable quality. Filters are washable and reuseable. We will accept your request at our earliest opportunity. This includes Republic Of Ireland. Please do not ask us to lower the value of goods this is illegal and we do not want to get involved in this kind of activity.