[ Application ] Used to service 3 cylinders on your Annovi Reverberi pressure washer pump, works for RK, RKA, RKV, XRC and XRA series pumps. [ Premium Material ] It is made of high standard rubber and plastic, with great strength and durability, ensuring a long service life and providing ultimate protection against water or chemical leaks, high quality materials for optimal performance. [ Function ] Maintain the pressure of the high-pressure cleaner, continue normal operation, and effectively prevent liquid leakage. [ Replacement ] Replaces Annovi Reverberi pump water seal packing ski tar1857, also replaces SMI-T-M 70-0177. [ Package Included ] 3 Sets; 3 × High Pressure Packing, 3 × Low Pressure Seal, 3 × O-Rings. [ Satisfaction Guarantee] If you have any questions about our Ezbzyz products please contact us at first time. We are glad to solve the problem you meet . Used to service 3 cylinders on your Annovi Reverberi pressure washer pump, works for RK, RKA, RKV, XRC and XRA series pumps.