For a water filter with a nominal processing capacity of 500L/hour, it means that under ideal conditions, it can process 500 liters of water per hour. However, flow rate does not fully represent the filtration rate, and the filtration effect needs to be considered.

Reverse osmosis (RO) system is a technology that uses a semipermeable membrane to separate dissolved substances in water to achieve water purification. It has a good removal effect on various soluble pollutants, including organic matter, inorganic matter, metal ions, etc.