Universal Fit & Package: Tap aerator for kitchen sink made of brass material adapter and faucet extender sprayer attachment, including rubber gaskets (installed), wrenches, detachable tool, and internal thread adapter. Full accessories are included in the package to meet your needs. With 360 swivel adapter, suitable for universal round taps of 21.5mm-22mm Male thread or 23.5mm-24mm Female thread faucets with removable adapter. Without 360 swivel adapter, suitable for G1/2 tap extender end. 3 Water-Saving Options Modes: 2 buttons with 3 modes. The booster tap can be adjusted to 3 different water outlet flow modes: stream, strong spray, and spray. Just press the switch button, and the replacement kitchen spray head can switch to the mode you want. When there is no water flow, the button cannot be fixed, and when there is water flow, the button can be fixed.