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NF 20 Membrane :

Reduces TDS between 20% to 30% (result may vary a little due to water hardness composition).

Flux rate around 30 litres per hour, water wastage is around 30 - 40%. 

Suitable for tap water TDS up to 250 ppm

NF 40 Membrane :

Reduces TDS between 40% to 50% (result may vary a little due to water hardness composition).

Flux rate around 24 - 27 litres per hour, water wastage is around 60%. 

Suitable for tap water TDS 200 - 400 ppm

NF 60 Membrane :

Reduces TDS between 60% to 70% (result may vary a little due to water hardness composition).

Flux rate around 22- 25 litres per hour, water wastage is around 65%. 

Suitable for tap water TDS 300 - 700 ppm

NF 80 Membrane :

Reduces TDS between 80% to 85% (result may vary a little due to water hardness composition).

Flux rate around 20 litres per hour, water wastage is around 70%.