he insert core is made of POM plastic and copper housing, difference with some common spray streams, our product can be anti rusty and plugged up plus perfect design on mixture between water and air to make the water in soft spray stream. There is a water flow design settings inside to secure flow in a standard status, just up to save water and make out spray streams also stabilize the water pressre functions.
There are Two different standard water flow options:
2L/Min and 3L/Min.
Very huge water saving functions;
Water Pressure: 100-500KPA