Information: 
1, The PP filter cartridge, which is made of polypropylene, can remove the particles, impurities and dust in the water. This cartridge usually works as the previous cartridge to protect the behind filtration for water treatment system. According to the requirements, various sizes 

And filtration for water treatment system. According to the requirements, various sizes and filtration precisions are available for option: 

Filtration precision: 1, 5, 10, 20, 50, 100 micron. 
Length: 5, 10, 20. 
Out diameter: 2.2, 2.4, 2.5, 4.5 inch / 55mm, 60mm, 63mm, 110mm 
Inner diameter: 1.1 inch / 28 mm 

2, The CPP filter cartridge, which is made of polypropylene same as the PP cartridge. But it is groove DIN the cartridge in the surface by cutter or pressure, which makes it has 25% more filtration area than the PP cartridge of the same size: 

Filtration precision: 1, 5, 10, 20, 50, 100 micron. 
Length: 5, 10, 20. 
Out diameter: 2.2, 2.4, 2.5, 4.5 inch / 55mm, 60mm, 63mm, 110mm 
Inner diameter: 1.1 inch / 28 mm 

3, The PS filter cartridge is stringed by the polypropylene thread symmetrically. Its function is similar to the PP cartridge, while it is steadier. 

This cartridge is suitable for the previous filtration in the industrial water treatment. According to the requirements, various sizes and filtration precisions are available for option: 

Filtration precision: 1, 5, 10, 20. 
Length: 5, 10, 20, 30 inch. 
Out diameter: 2.2, 2.4, 2.5, 4.5 inch. 
Inner diameter: 1.1 inch.