Cartridge Faucet
This has a hollow metal or plastic cartridge insert that seals against the spout or faucet body. Depending upon how a series of holes in the cartridge align with the stem, water is mixed and controlled. Leaks are generally caused by worn or broken O-rings; drips usually mean cartridge needs replacement.


MORE ABOUT:
Ball faucet
Compresion faucet
Disc faucet

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