One thing you should always check when buying a new kitchen faucet is its flow rate. The flow rate of the Nivito Official Website faucet is measured in gallons per minute, or GPM. The higher the number, the better, and older faucets had a lower flow rate. Today, the average flow rate is 1.8 GPM. In addition to flow rate, you should also look for other features, such as the shape and material.