TWIN AIR Air Filter - Ref. 158091

Designed for motocross enthusiasts who demand durability and efficiency, this Twin Air Standard version filter combines a multi-layer construction and selected materials to protect the engine from dust, sand, and impurities. Its compact design increases the available volume in the airbox to promote airflow without compromising filtration. Ideal for training or competition, it equips many high-level riders.

• Triple foam structure: first layer is airy to trap large dirt, second denser layer for fine particles, third fire-retardant layer.
• Special Twin Air adhesive resistant to solvents and gasoline, ensuring the cohesion of the foams.
• Breathable seal for maximum contact with the housing and to prevent air leaks.
• Bonded assembly of foam envelopes to eliminate pockets where dust and impurities can settle.
• Version: Standard — direct replacement for compatible housings.

Compatible notably with the BETA ALP 4.0 4T (2018 - 350 cm3), this filter is aimed at riders who want a reliable and easy-to-maintain element between muddy outings. Replace it according to use and condition to preserve air intake and engine longevity.