Description:To filter the residue in the oil to make the oil more pure.Fuel tank filter: Protect car fuel tank, breathable, washable and reusable.Material: Made of high quality plastic mesh, strong and durable.Function: Effectively prevent dust , sand, mosquitoes from entering the car to prevent blockage.Easy installation: Open the lid and install it on the mouth of the bottle. Specification:Material: Plastic Size Chart:32*98mm/1.26*3.86inch Package Includes:1 Piece Fuel Tank Filter Note:1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping