Connect it to the existing faucet or install a separate faucet for filtered water.
How to install water filter under kitchen sink.
Connect the second adapter to the water shutoff valve.
Close the cold water shut off valve leading to the kitchen sink.
Under sink water filter installation.
Push the black tubing that came from the filter to the shutoff.
This filter fits under your kitchen sink and is installed in your cold water supply line.
Disconnect the copper cold water pipe from the supply line that runs up to the faucet.
In this video this old house plumbing and heating expert richard trethewey explains how to install an under sink water filter.
Turn the water back on.
Run the sink for 5 to 10 minute increments according to the instructions that come with the ki t to activate the carbon and fully filter the water.
It is reported that set up takes only around 10 to 15 minutes and all that is required is an adjustable wrench that helps tighten the connections.