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 two 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.