BMC, air filter element. 4" round Universal for 4" round air cleaners & Rough Crafts air cleaners

Dimensions: 99mm OD x 61mm ID x 51mm high. Round 98mm outside diameter x 73mm inside diameter x 51mm deep. Universal for many 4" round & 933807 933808 933854 933853 Rough Crafts air cleaner kits. The Red Filter. As used in Formula 1 Le Mans Moto GP and World Superbike. 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. EU made. Universal for 4" round air cleaners & Rough Crafts air cleaners