Car Air Intake Filter, 1" 25mm Inlet Valve Cold Air Intake Filter Carbon Fiber About this item High Quality Material: Our automotive air intake filters are made of high quality PU material, spunlace material and iron mesh. The PU material has a high surface hardness and a certain degree of elasticity, which is able to resist abrasion and prolong its service life. The spunlace material has a fine filtration function, the tightly interlaced fibers can even catch the tiny dust, and at the same time can optimize the air intake to prevent the engine from being overloaded. Wide Application: Our automotive air intake air filter measures 2.01 x 2.17 inches with a 1inch inner diameter.The air intake filter comes with 25mm to 38mm adjustable drive hose clamps and is compatible with most car, motorcycle and truck air cooler filters. This product ensures that it can adapt to all kinds of complex road conditions and driving environments in different types of vehicles, providing your car with a continuous supply of clean air. Practical Function: Our automotive air intake filters feature a multi-layer filtration design that optimizes airflow to keep the engine running smoothly while also effectively intercepting dust, dirt and ensuring that only clean air enters the car engine. This not only helps improve engine performance, but also extends engine life. By keeping your engine clean, you can avoid frequent engine repairs and maintenance. Easy Installation: Installing this product is very simple. Just open the engine hood, find the air filter housing, loosen the buckle or screw, open the cover to remove the old filter, and clean the dust and debris in the box. Place the new filter flat inside, ensuring the edges are aligned, reinstall the cover, fasten the buckle or tighten the screw to prevent dust leakage. Start the engine and listen for any abnormal sounds, then check if the box is securely installed. Complete Package: This product is packaged in a box, the package contains 1pc automotive air intake filter and 25mm to 38mm adjustable drive hose clamp. The adjustable hose clamp can be adjusted to fit different filter cartridge sizes by adjusting the diameter of the hose clamp, which always maintains the great clamping force under engine vibration and completely solves the problem of air leakage and dislodging of traditional filter cartridges.