LARSEN SUPPLY TV205541 Fem Aerator (5 Pack), 55/64" Lasco 55/64" female thread aerator - chrome plated brass. California flow rate compliant product for lavatory faucets, 1.2 gpm (gallons per minute) at 60 psi (pounds per square inch) and kitchen faucets, 1.8 gpm (gallons per minute) at 60 psi (pounds per square inch). 55/64", 27 female thread. - type: water Saver, thread size: 27 female thread, flow rate: 1.8 gpm, finish: chrome, material: brass, connection: 55/64" x 27 female, package Quantity: 5, package type: card. Features Made in China Package length : 1.3" Package width : 2.75" Package height : 4.75" USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.