33-2998 is a high-performance, washable and replaceable air filter designed for various models of Citroën, Peugeot and DS. It features a multi-layer oil-soaked cotton filter screen design, balancing efficient filtration and high intake air flow. It provides long-lasting protection for the engine and enhances power output. The design allows for seamless installation in the original factory air filter box, enabling an upgrade without the need for modification.