Features PACKAGE INCLUDES: This air compressor replacement seal ring kit includes ring seal, piston ring, fuse, etc., erosion resistance, aging resistance. EASY TO USE: Compact structure, easy to install and use. The O-ring assembly can replace old and damaged parts and increase work efficiency. WIDE APPLICATION: Air compressor seal kits are suitable for most piston air compressors. Make sure you choose the right size and use it correctly. EASY TO INSTALL: No 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 Stable material: the air compressor sealing ring kit is made of metal and PVC material, possesses stable performance and long service life. 1. PACKAGE INCLUDES: This air compressor replacement seal ring kit includes ring seal, piston ring, fuse, etc., erosion resistance, aging resistance 2. EASY TO USE: Compact structure, easy to install and use. O-ring 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 it correctly 4. EASY TO INSTALL: No 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 air compressor sealing ring kit is made of metal and PVC material, possesses stable performance and long service life Specification: Item Type: Air Compressor Replacement Parts Material: metal and PVC. Applicable air pump pressure: 30mpa Packing List: 1 x Multifunctional Wrench 1 x Hex Key 10 x Filter Core br/>6 x fittings (cap, valve, cap) 16 x O-ring 2 x Ball 2 x Spring 2 x Screw 1 x Gasket br/> 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