Check the listing for details. Neoperl SLim Air Aerator 1.2 gpm & Install Key Standard Size | Low Flow Perlator. Condition: New. Listed at 12.58 USD. Neoperl Slim Air Perlator Aerated Soft Stream Aerator 1.2 gpm Save water and keep vandals at bay with the Neoperl Coin Slotted Slim Perlator Aerated Stream. This water offers heavy duty water saving with a , high performance flow rate. By upgrading to low flow faucet fixtures, a family of four can save up to $20/year. A pressure compensating flow controller in the unit keeps the flow rate steady despite changes in water pressure. Slim aerators thread directly into the faucet spout, making them vandal proof by design. This aerator fits Slim fit faucets (hidden aerator faucets), available in the following sizes: standard (15/16”-27 male threads). EPA low flow WaterSense Listed and NSF 61 approved. *NOT COMPATIBLE WITH CACHE AERATORS Install Key Included - With built-in male threads to thread directly into the cavity of a traditional regular male aerator (no housing needed to connect). Regular size aerator.Neoperl Slim Air Perlator Aerated Soft Stream Aerator 1.2 gpm Save water and keep vandals at bay with the Neoperl Coin Slotted Slim Perlator Aerated Stream. This water offers heavy duty water saving with a , high performance flow rate. By upgrading to low flow faucet fixtures, a family of four can save up to $20/year. A pressure compensating flow controller in the unit keeps the flow rate steady despite changes in water pressure. Slim aerators thread directly into the faucet spout, making them vandal proof by design. This aerator fits Slim fit faucets (hidden aerator faucets), available in the following sizes: standard (15/16”-27 male threads). EPA low flow WaterSense Listed and NSF 61 approved. *NOT COMPATIBLE WITH CACHE AERATORS Install Key Included - With built-in male threads to thread directly into the cavity of a traditional regular male aerator (no housing needed to connect). Regular size aerator.