HIGH PERFORMANCE & EFFICIENCY - Standard Faucet Aerators increase spray velocity, reduce splash, save water, and save the energy used to heat water. EFFICIENT WATER FLOW RATE - This sink faucet aerator produces a 0.5 Gallon per minute flow rate. We also offer faucet aerators with higher flow rates. EASY INSTALLATION - The Standard Faucet Aerators can easily be installed and works with either kitchen or bathroom faucets. QUALITY DESIGN - This faucet sprayer aerator attachment features an all-brass, chrome-plated body with 15/16-inch dual threading to fit most male and female faucet sprayers, Santoprene washers, and celcon internal parts. (Male: 15/16"-27; Female: 55/64"-27). What You Get - 2 x 0.5 GPM faucet aerators,