Kingston Cal Green Z18KSSA887SB 1.8 GPM Male Aerator, 15/16 Inch-27 UNS, Brushed BrassKingston Cal Green Z18KSSA887SB 1. 8 GPM Male Aerator, 15 16 Inch 27 UNS, Brushed Brass Installed at the ends of household faucets, aerators are designed with mesh screens to reduce splashing and dripping in sinks. A mixture of water and air is delivered while also helping to conserve water. Features Fabricated from high quality brass and ABS material Includes a water saving 1. 8 GPM restrictor 15 16" 27 UNS male threads Downloads Specification Sheet