Feature: 1. Filter Muffler: While filtering the impurities, the filter can effectively reduce the noise in working. 2. Practical Use: Greatly help to improve the work efficiency and extends the life of air compressor as well. 3. Good Material: Combining premium aluminium and cotton materials, not easy to break, and has good durability. 4. 5Pcs in 1 Set: Comes with 5pcs filter elements in total, making the replacement and repair much easier. 5. Easy to Install: The ideal filter silencer accessory has a light weight and a small size, easy to install. Specification: Item Type: Air Compressor Filter Material: Aluminium + Cotton Filter Elements Diameter: Approx. 65mm / 2.56in Inner Diameter: Approx. 40mm / 1.57in Function: Silencing filter of air compressor muffler. . Package List: 5 x Air Compressor Filter Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.