Feature:1. Exhaust valve plate is made of excellent cast iron material, which is durable and quality guaranteed2. The product is made with standard production, easy for you to install and disassemble, very convenient3. Exhaust valve plate is air compressor accessories necessary for maintenance, very practical4. The product have high mechanical strength, good wear resistance, corrosion resistance, good thermal stability5. Air compressor exhaust valve plate with stable structure, excellent performance and long service lifeSpecification:Item Type: Exhaust Valve PlateModel: 90 Exhaust H valve platePurpose: Air compressor accessories, necessary accessories for maintenanceMaterial: Cast ironExplain: Cylinder 90 means that the diameter of the cylinder is 90mm.Package List:10 x Exhaust Valve PlateNote:When using, pay attention to install a cylinder with a diameter of 90mm.