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 FilterMaterial: Aluminium + CottonInner Diameter: Approx. 7cm / 2.8inHeight: Approx. 8.5cm / 3.3inMaximum Width: Approx. 12cm / 4.7inBottom Width: Approx. 8cm / 3.1inApplication: Suits for EY28B and EY28 gasoline generator. .Package List:1 x Air FilterNote: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.