FEATURES: Fittment: Perfectly fits for AR, XR, RK, RKA, RKV, XRC and XRA series pumps. Material: Made of high quality rubber and plastic with great strength and durability. The quality of materials will be the same as the OEM kit, features the ultimate protection from water or chemical leaking. Ensures long lasting service. Function: This kit is used to repair known seals or packings on RK, RKA, RKV, XRC, XRA pumps used on many common high-pressure cleaners. Replacement: Replacement for Annovi Reverberi Pump Water Seal Packings Kit AR1857, also replaces Mi-T-M 70-0177. .