1.0 GPM Dual-Thread Water Saving Faucet Spray AeratorProduct Description This 1.0 GPM water saving PCA faucet aerator by NEOPERL is WaterSense certified and can save you up to 55% water compared to using the standard 2.2 GPM aerator. It is a dual-thread aerator with attractive chrome finish. This aerator has an economical spray stream. Features Solid-brass construction WaterSense certified 1.0 GPM Saves up to 55% water Spray stream design Dual-thread 15/16 in. - 27 in. x 55/64 in. - 27 in. chrome housing Lead free, complies with reduction of lead in drinking water act OEM quality Easy installation