BrassCraft SF0113 Aerator Insert for Pull-Out Spouts or Aerators with Small 1.0 GPM Low Flow Faucet aerator small insert For use in pull-out spouts or aerators with 15/16" or 3/4" threads Replaces worn internal components of existing faucet aerator Use aerator insert to convert existing aerators to become a low flow aerator Flow Rate: 1.0 GPM Low Flow