SUMMAEY: pp spun filter cartridge is a tube-shaped product,which is made of polypropylene ... processes. CHARACTERISTICS: Being light,corrosive proof and high-pressure resistant,and with a large flow and high precision. SPECIFICATION: Length:250mm(10″) 500mm ... ″) Diameter:outer diameter:: Ø 63±2㎜ lnner diameter:Φ30mm Φ28mm Micron rate:1, 2, 5, 10, 20, 30, 50, 75, 100μm ...