Features 1、PACKAGE INCLUDE: This air compressor replacement seal ring kit include ring seal, piston ring, fuse, etc., erosion resistance, aging resistance 2、EASY TO USE: Possess compact structure, easy to install and use. The O ring seal assembly can replace old and damaged parts and increase work efficiency 3、WIDE APPLICATION: Air compressor seal kits are suitable for most piston air compressors. Make sure you choose the right size and use correctly 4、EASY TO INSTALL: Without complicated installation steps, you can easily use air compressor accessories to get your job done. Can be used for 4500psi manual air pump, applicable air pump pressure for 30mpa 5、STABLE MATERIAL: The sealing ring kit of air compressor is made of metal and PVC material, possess stable performance and long service life Specification Item Type: Air Compressor Replacement Parts Material: Metal and PVC Applicable Air Pump Pressure: 30mpa Package List 1 x Multifunctional Wrench 1 x Hex Wrench 10 x Filter Core 6 x Fitting(cap, valve, plug) 16 x O Ring 2 x Ball 2 x Spring 2 x Screw 1 x Gasket