Enhanced anti pollution BFR and LFR series composite reverse osmosis membranes are suitable for applications in polluted water sources such as industrial pollution, wastewater, and contaminated surface water. The membrane design improves the tolerance and performance stability of chemicals; The component design adopts a wide channel inlet grid that can reduce water loss and minimize pollution blockage. The BW and LP anti pollution enhanced reverse osmosis series have the characteristics of a wide range of water quality and pressure applicability, making them the best choice for combining performance and efficiency.