2PCS 12mm Air Filter Mini Universal Cone Cold Clean Air Intake Filter Turbo Vent BreatherColor: redAbout this item Universal Fittings For Car/Motorcycle Air Intake Piping. The filter will improve overall air filtration, horsepower, torque, and gas mileage over stock filters. Mounting Hole Diameter: 12mm / 0.47" This air filter is easy to install, just bolt it onto the machine directly. Package includes: 2 x Air Filter Dimensions: 5.59 x 2.64 x 2.56 inches