Features:Special Oiled Cotton Layered Air Filter Design Provides High Air Flow with Excellent Filtration.Comes pre-oiled, ready for immediate use.Designed to increase horsepower and acceleration.Reduce the resistance of the engine air intake, improve per unit time air intake and volumetric efficiency when engine running.Accordion mesh design improves filtration process.Fits as a direct replacement for the original filter inside the air box.Made of quality cotton gauze materials, sturdy, lightweight and durable. It can be washable and reusable.Universal suitable for all models. Specification:Condition: Brand NewMaterial: PU + Cotton GauzeColor: RedFilter Re-Oiling Amount: 1.27oz (38ml)Height: 160mm/6.3"Inner Diameter: 100mm/3.9", 76mm/3.0" (Optional)Size: Shown as PicturePackage Weight: approx. 447-493g/15.8-17.4ozPackage list:1 * Air FilterNotes:1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Please notethat most cars will require modification to fit this filterand itis your responsibility to check if this fits before installing this on to your vehiclesince this might not be suitable for big engine vehicles..4.Before purchase, please confirm that the original filter size is consistent with our product size, and can only be used if the size is consistent.