Feature:1. These paper filters are often used to filter particles in the air to reduce the wear of cylinders and pistons.2. The air compressor filter element is designed with metal cladding and filter paper, which is easy to install.3. The shell is made of aluminum material, which is light and wearresistant, and is not easy to deform after installation.4. Epoxy resin bonded mixed fiber filter paper has good filterability and can easily block impurities.5. The kit contains 10 paper filter elements with standard installation sizes for easy use and replacement.Specification:Item Type: Paper Filter ElementsMaterial: Aluminum + epoxy resin bonded mixed fiberApplicable Type: Piston air compressorProduct Length: Approx. 70mm / 2.8inProduct Width: Approx. 40mm / 1.6inAperture: Approx. 36mm / 1.4in.Package List:10 x Paper Filter ElementsNote: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.