Feature: 1. ENGINE AIR FILTER: While ensuring high air volume, can filter out dust and impurity to have a unobstructed and clean air intake. 2. HIGHER UTILIZATION: Large and clean air intake enables higher fuel utilization, which means reducing fuel consumption as well. 3. STABLE WORKING: Comes with sturdy structure, this air filter will have a comprehensive filtering even under 1800RPM rotating speed. 4. PRACTICAL USING: The air cleaner is suitable for EY28B and EY28 generator, promising stable and efficient working performance. 5. GOOD MATERIALS: The application of aluminium and cotton material brings extra durability for long term use, very easy to install. Specification: Item Type: Air Filter Material: Aluminium + Cotton Inner Diameter: Approx. 7cm / 2.8in Height: Approx. 8.5cm / 3.3in Maximum Width: Approx. 12cm / 4.7in Bottom Width: Approx. 8cm / 3.1in Application: Suits for EY28B and EY28 gasoline generator. . Package List: 1 x Air Filter Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.