It's likely a rusted steel feed pipe and you don't use it often enough to keep the rust buildup flushed out.
The correct term would be a single hole faucet. You can not find anything about a single hold faucet on google. Single hole faucets are typically not the first choice of faucets.
To replace a Moen bathroom faucet's cartridge, first turn off the water supply. Remove the handle and trim to access the cartridge. Use pliers to pull out the old cartridge and insert the new one. Reassemble the faucet and turn the water supply back on.
To replace a bathroom faucet, first turn off the water supply. Then, disconnect the old faucet and remove it. Install the new faucet by following the manufacturer's instructions. Finally, turn the water supply back on and test the new faucet for leaks.
To remove a faucet from a bathroom sink, first turn off the water supply. Then, use a wrench to loosen and remove the nuts securing the faucet to the sink. Once the nuts are removed, lift the faucet out of the sink.
To remove an old bathroom faucet, first turn off the water supply. Then, use a wrench to loosen and remove the nuts and bolts securing the faucet to the sink. Once the faucet is detached, clean the area and install a new faucet if desired.
To remove a bathroom faucet aerator, first, cover the faucet with a cloth to protect it. Then, use pliers to grip the aerator and turn it counterclockwise to unscrew it. Once it is loose, you can remove it by hand.
To remove a 3 piece bathroom faucet, first turn off the water supply. Then, disconnect the water lines and remove the nuts holding the faucet in place. Finally, lift the faucet out of the sink or countertop.
To replace a bathroom faucet cartridge, first turn off the water supply. Remove the handle and trim, then unscrew the cartridge. Install the new cartridge and reassemble the faucet. Finally, turn the water supply back on and test the faucet for leaks.
To remove a bathroom faucet, first turn off the water supply valves under the sink. Use a wrench to disconnect the water supply lines. Then, use a wrench to loosen and remove the nuts holding the faucet in place. Finally, lift the faucet out of the sink.
To remove a Moen bathroom faucet cartridge, first turn off the water supply. Then, use a cartridge puller tool or pliers to grip and pull out the cartridge from the faucet body. Be sure to follow the manufacturer's instructions for your specific faucet model.
To properly remove a Moen faucet from your bathroom, first turn off the water supply. Use a wrench to loosen and remove the nuts securing the faucet to the sink. Disconnect the water supply lines and lift the faucet out of the sink. Clean the area before installing a new faucet.
To replace a bathroom faucet washer, first turn off the water supply to the faucet. Next, unscrew the faucet handle and remove the old washer. Replace it with a new washer of the same size and type. Reassemble the faucet handle and turn the water supply back on to test for leaks.