Do it 2.0 GPM Duo-Fit Water Saver Swivel Aerator W-1153LF SIM Supply, Inc.
Fits faucets with 55/64″ x 27 outside threads or 15/16″ x 27 inside threads. Aerates and swivels. Brass, chrome-plated. 2.0 GPM. Manufactured to include no more than 0.25% weighted average lead content on wetted surfaces.