Danco, Inc. 10480 Thread Water-Saving Aerator, Chrome Saves up to 30% water consumption and eliminates chlorine from the water Watersense certified 1.5 GPM Dual thread 15/16 in.-27M or 55/64 in.-27F Cyclone aerated stream which reduces water consumption without sacrificing water pressure Removable/replaceable insert Twisting spray pattern Complies with the reduction of lead in drinking water act