Kingston Cal Green KSSA4361 Stream Shaper, Male Thread, Polished ChromeKingston Cal Green KSSA4361 Stream Shaper, Male Thread, Polished Chrome 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. This stream shaper's thread size: US male M28 x 1. 0 connection. Features Fabricated from high quality brass and ABS material M28 x 1. 0 male threads 1 1 8" diameter Downloads