BMC Air Filter For Triumph Speed 400 / Triumph Scrambler 400 X

BMC air filters are made of a multi-layered cotton fabric soaked in low-viscosity oil, inserted between two aluminium mesh frames. The aluminium mesh is coated with epoxy resin in order to protect it against oxidation caused by fuel vapours and the humidity present in the air. Impurities are filtered by means of sieving and retention processes, in other words the interception of impurities by the cotton fibres, which are then retained by the oil.The procedure takes place without obstructing the air flow passage, thus guaranteeing continuity of the air filter performance over time.

BMC air filters are made using a procedure called “Full Moulding” that makes it possible to obtain the characteristic red filter from a single mould, with no gluingin the corners so as to prevent any breaking. The special rubber used in BMC’s filtration system is practically non-deformable over time and provides excellent adhesion to any air-box shape.