PF WaterWorks HydroSAVER Water Sense Listed Aerator Combo - Swivel Dual Spray Kitchen Aerator with Pause Lever, 2 Dual Thread Bath Aerator; PF0562 Kitchen Aerator has Swivel Head and Dual Spray Settings Saves up to 7,500 Gallons annually for family of four 1.5 GPM Efficient Flow Rate Dual Thread Brass Fitting  fits both male and female thread faucets Exceeds standards (ANSI/ASME A112.18.1)