Heron BW Series HM brackish water reverse osmosis membrane elements are made with the highest   technology super low-pressure composite polyamide

Heron LP Series HM2 low pressure brackish water reverse osmosis membrane elements are made with the most high-tech super low pressure composite

Heron TW Series Super low pressure tap water reverse osmosis element are made with super low-pressure composite polyamide membrane combining with

Heron HM3  XLE Series extreme low energy & large productive reverse osmosis membrane elements are made with the largest productive composite

Heron ECO Series low pressure reverse osmosis membrane elements are made with the most high-tech super low-pressure composite polyamide membrane