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You will need an adjustable wrench and a screw driver
  1. Turn off the cold water supply and remove supply line to faucet using wrench
  2. Install push-in fittings to faucet and cold water supply line
  3. Install filter mounting bracket to area under sink
  4. Install filter to mounting bracket
  5. Cut tubing "to length" to fit between filter and supply line and from filter to faucet
  6. Connect the tubing
  7. Turn on water supply and enjoy cleaner, better tasting water