An Edge Filter Cartridge removes dust, dirt, and other contaminants from the air before it enters the engine. This helps to protect the engine from wear and tear by preventing these contaminants from scratching or damaging the engine components. It improves fuel efficiency by removing contaminants from the air that can otherwise clog up the engine and reduce airflow. This allows the engine to run more efficiently and use less fuel. It is made of steel.Attributes:• Manufactured with steel which gives excellent strength• Manufactured to precise specifications and is durable and reliableApplications:An Edge Filter Cartridge reduces emissions by removing pollutants from the air before they enter the engine.