This Danco dual thread swivel sprayrator adds air bubbles to the water to give it a softer feel. It also helps to reduce the volume of water that you use. The 360 deg swivel action allows you to focus the water into those hard to reach areas and has 2 spray patterns to choose from aerated stream and aerated wide spray The 1.5 gpm water flow can save you up to 30% water consumption as compared to the standard 2.2 gpm.