Car Wash Machines SET SERVICE VENUS KWPAVES0828 Kit contents: piston o-ring 20x2.5 FPM pump body o-ring 28x2 FPM pump valve poppet valve mandrel o-ring 4.4x2.4 FPM seal plug o-ring on the safety valve mandrel 3.8x1.9 FPM silicone oil Suitable for: Venus Super Cleaning Pro+, Venus Super Foamer Cleaning Pro+ View