Make of brass, possessing excellent resistance and sealing, capable of withstanding long-term water pressure impacts and avoiding repeated repairs The set includes single hot water valves cartridge and single cold water valves cartridge The red color ( hot) / blue ( cold) plungers inside the cartridges are easily distinguishable, requiring none additional markings and minimizing installation errors This hot and cold water valves cartridge set is perfectly suitable for 6N-7H ( 17017B) and 6N-7C ( 17018B) models, and fits various bathtub and shower faucets including the 7004, 70010, and 70014 models It directly replaces aging valves cartridges, completely solving leakage problems Repairing a leaky faucet effectively prevents water waste and reduces energy loss due to hot water leakage Before installation, simply compare the old valves cartridge to confirm compatibility before direct replacement; none professional tools or complicated operations are required After installation, faucet dripping immediately stops, restoring smooth water flows, saving time and effort, Manufacturer: Mekalero