The pretreatment column is composed by PP cotton, active carbon and G-phos, usually used for ultrapure water machine, deionized water machine or other water treatment equipment.

Specification:

PP fiber filter: can effectively remove the suspended solids in the fluid, particles, rust and other debris.

AC activated carbon filter: can be adsorbed in the prefiltration can not be removed in the residual 

chlorine and small molecules,organic matter and other pollutants, odor, colloid and pigment, heavy metal

ions, COD and other obvious adsorption and removal.

G-PHOS: remove Ca2+ and Mg2+ to prevent scaling and change hard water to soft water.