The Hansgrohe Kitchen Air Gap works with your dishwasher and coordinates with your kitchen faucet's finish. The air gap helps prevent backflow and includes a valve and trim. Available in a variety of finishes to match your Hansgrohe or Axor faucet perfectly. Features: Use with your dishwasher Coordinates with your kitchen faucet's finish Helps prevent backflow Includes a valve and trim Additional Resources: Specification Sheet