Plastic insert to replace exisiting tap aerator part without need to change the whole aerator. This part will fit all standard 22mm and 24mm tap aerators, either female or male version. This version on insert will reduce the water flow to incredibly 2 litres per minute. Specifications: Flow rate: 2 L/min Material: plastic Size: Suitable for all 22mm and 24mm tap aerators Weight: 10g Gasket included