Strong Compatibility: Air intake filter equipped with 18mm to 25mm adjustable drive hose clamp, compatible with most universal auto, motorcycle and truck air... The clamp fits 18mm to 25mm connections, making it compatible with most cars, trucks, and motorcycles. Why would you want this? Well, a clean... 18mm Air Intake Filter - 1" Universal Breather Filter, Automotive Cold Air Filter, Car Valve Cover Oil Breather Turbo Vent Crankcase Cleaner Accessory, Fits Car Motorcycle (Black), Air Filters - Canada Cold Air Intake Filter COMPATIBILITY: Works with 18mm fittings on various car and motorcycle models, including turbo vent and valve cover applications The durable construction and precision engineering make it an excellent choice for automotive enthusiasts looking to enhance their engine's breathing capabilities. The adjustable clamp ensures a snug fit and proper seal during operation. The red-colored breather filter features an adjustable clamp design for secure installation on valve covers and turbo vents. CONSTRUCTION: High-quality multi-layer filtering material with durable metal mesh support for maximum airflow and engine protection Universal Car Air Filter for Motorcycle Cold Air Intake High Flow Crankcase Vent Cover Mini Breather Filters 9mm 12mm 18mm 25mm Perfect for those seeking to optimize their engine's air intake system while adding a stylish accent under the hood. UNIVERSAL FIT: 18mm inlet diameter cold air intake filter designed for automotive and motorcycle applications with adjustable clamp for secure mounting