DIY Network

How to Install an Under-Sink Water Filter

This filter fits under your kitchen sink and is installed in your cold-water supply line. Connect it to the existing faucet or install a separate faucet for filtered water.

More in Plumbing

Materials

  • under-sink water filter kit
  • Teflon tape

Tools

  • adjustable wrenches
  • basin wrench
  • screwdriver

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