The Single hole lavatory faucet Riobel 289942 is a sleek and modern design that will add a touch of luxury to your bathroom. This faucet is made from high quality materials and features a single hole for easy installation. It is also easy to use and comes with a water flow rate of 2.5 gallons per minute. The Single hole lavatory faucet Riobel 289942 is a sleek and modern design that will add a touch of luxury to your bathroom. This faucet is made from high quality materials and features a single hole for easy installation. It is also easy to use and comes with a water flow rate of 2.5 gallons per minute.