After using for a period, some nozzles may be found the insert material falling out, that may because after the period, the glue wrapping the insert material became weak, a sudden knock of water may bring the insert material away. How to solve the problem? Our solution is to put the insert material in a small plate first, then punch the plate into the body of the nozzle. Feedbacks from customers show that the problem has been well improved.
How to avoid insert material falling out