Super Saver Water Saver, Deluxe Swivel Aerator, 1.2 GPM Max Flow Rate, Swivels For Greater Sink Coverage, With Lever Control Trickle Valve & Ultra Low Flow 1.2 GPM Maximum Flow Rate, Installs Easily On Most Faucets With Dual Threads With Both 15/16" x 27 Male & 55/64" x 27 Female, Chrome Plated Brass Swivel Ball, Connector & Lever Control, Saves Water & Energy, Complies With California Title 20 For Bathroom Faucets.