Color: Silver Material: Brass and ABS Size: M24 nozzle adapter thread diameter: 23.7mm Aerator inner diameter: 22mm Package: 1 x Swivel faucet aerators 1 x Nozzle adapters 2 x Gaskets This aerator is not suitable for low pressure water taps, it will reduce water flow and prevent water from blowing out. splash on you or the outside of the sink, helping you to save water. The filter rotary water tap can be easily turned; to 360 degrees and can be easily switched. between two water outlet modes at agrave; any time, easily saving up to 40%-70% water. You can use it for your kitchen or bathroom faucet and replace the old filter. tap water. Should he install an adapter? 1. If your faucet thread is threaded; to internally (internally threaded) and that the internal thread has a diameter of approximately 23.5 to 23.5 mm. 24 mm, install the aerator with the adapter (M24) on your tap. 2. If your faucet thread is threaded to outside (externally threaded) and that the diameter of the thread is approximately 21.5 to 22 mm, remove the adapter and install the aerator (M22) directly on your tap.