Keep your dishwasher free from contamination with the KRAUS Air Gap kit. Required by plumbing codes in many states, an air gap is the best way to prevent your dishwasher from being flooded with dirty water. The kit includes an air gap body and a solid brass cap built for maximum durability with a high-end feel. The cover installs flush to the sink deck or countertop, creating a clean look. The cover comes in a variety of corrosion-resistant finishes to match your kitchen faucet. Detailed instructions are included for easy installation and worry-free use.