... 5. low speed 6 poles motor Name: 40m3 seawater desalt unitModel SW-I-M40Tcapacity (TPD) 38-40feedwater ... RO purified system inside, adapted the best America DOW seawater desalination reverse osmosis membrane, with high desalinization ratio ... booster pump, super long life span, especially for seawater desalination, the pump work with lower noise, high ... (sand, carbon) 40m3 Medium landbase desalt unit