For water and air filtration. being light , corrosive-resistant, high working ... filter cartridge is a tube-shaped product, which is made of polypropylene through melting, spraying, drawing, receiving and forming processes. ... -505060-909032pp-757590-11011034pp-100100110-13013038 Application: Mainly used for the purification of process water and solutions in food and drinks, electronic, pharmaceutical, ...