PF WaterWorks TouchFLOW Water Sense Listed Kitchen Aerator with Pause (Trickle) - Swivel Dual Spray Dual Thread (15/16-27, 55/64-27) - 1.5 GPM; PF0547 Dual Thread Brass Fitting  fits both male and female thread faucets Swivel Head and Dual Spray Setting - Single and Multi, Pause Lever for intermittent rinse. Exceeds standards (ANSI/ASME A112.18.1) Saves up to 7,500 Gallons annually for family of four 1.5 GPM Efficient Flow Rate