NF Membrane (60%)

Nanofiltration Membrane allows monovalent common salt Sodium Chloride to pass through but will not allow divalent Calcium salts like Calcium Carbonate to pass through.

Nanofiltration membranes are also very efficient to purify water of heavy metal salts like Arsenic, Lead, Cadmium and Mercury and at the same time it removes all germs and viruses from water.