PP cartridge is avirulent insipidity of polypropylene particles, through heat melt, silk, traction, accept to the forming
tubular filter. The main material is polypropylene primarily. It is not only widely used in water treatment, water filter
and reverse osmosis system to remove bacteria, heavy metal, dust and other harmful substances. It also has the
outstanding chemical compatibility, that used in strong acid,strong alkali and organic solvents.Carrying ability, long
service life and low cost.