Unit 500 - 1250 Litres of resin 500 - 1250 Softener Capacity as CaCo³ 200ppm (m³) 125 - 312.5 Softener Capacity as CaCo³ 250ppm (m³) 100 - 250 Softener Capacity as CaCo³ 300ppm (m³) 83.3 - 208.3 Salt Consumption (kg/reg) 60 - 150 Flow rate - nominal (m³/hr) 20 - 40 Minimum metered (Litres / Hour) 750