Cartridge faucets use up-and-down motion to regulate water flow and left-right motion to control temperature, their makers say. A faucet with two handles turning 90 degrees can be a cartridge faucet.

Add Yahoo as a preferred source to see more of our stories on Google. Is the constant drip-drip-drip of your faucet driving you up the wall? A dripping faucet isn't just an annoyance; it can also ...