4″ Turbo Inlet Guard Steel Mesh Screen, Universal 4″ / 102 mm Fit Universal 4 inch 102mm Turbo Screen Mesh Air Inlet Filter Guard 4″ / 102 mm Fitment – Engineered to slide directly over any 4" turbo inlet; it installs swiftly with the provided clamp. The mesh screen safeguards your turbo from debris while maintaining airflow. Ideal for confined spaces where a standard filter will not fit. Comes with a stainless steel clamp to fasten it to your turbo. Durable Mesh Construction – Made with lightweight yet robust materials to protect your turbo intake