Features 1、Adopted 100% billet 6061 aluminum material, oil resistant and corrosion resistant, very durable. 2、Used for defend intercooler, intake system, and essential components from oil blow‑by. 3、Using 50 micron bronze filter to separate oil particles from PCV/CCV air. 4、Helps maintain proper octane levels to reduce potential detonation effectively. 5、Features one inlet and one outlet, very safe to use. Specification With this car 3 in 1 Guide Ball, you can now drive to any destination with safety, great ease and facility. This gadget encompasses a thermometer, hygrometer and guide ball. It precisely gives you the temperature, humidity and direction. It is a great companion for your travel. Features: Integrated with navigation compass, thermometer and hygrometer all in one, compact size with multi function. Accurate and reliable readout, easy to read dial. Adjust upward or downward for better viewing angle. It gives you an assessment of the current condition of the day in terms of temperature reading and moisture. With self-adhesive tape, easy to install on the dashboard of your car. Specification: Material: plastic Color: black Size: shown as picture Package weight: approx.56g Fitment: for cars, boats, marine, trucks Package List: 1 * Multi-functional Compass Package List