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 FilterMaterial: Aluminium and CottonFilter Elements Diameter: Approx. 65mm or 2.56inInner Diameter: Approx. 40mm or 1.57inFunction: Silencing filter of air compressor muffler. .Package List:5 x Air Compressor FilterNote: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.