... flow rate and low pressure loss 3.pp filter cartridge 10 inch pp filter cartridge for water treatment A. Product description:cotton ... stainless steel skeleton:120°cC. Characteristic:1. material: cotton2. lenght:10",20",30",40"3. diameter: external 61-63mm, inner:28mm ... , laser cooling water, ultrasonic cleaning, plating solution, and so on. 10 inch pp filter cartridge for water treatment