... filter cartridges.with SS and PP core. Our"SUITA" spiral wound cartridge filters are hermetic depth filtration filter elements, constructed ... of excellent fiber(filter medium)and framework. The spiral wound cartridge filters are apiary structure which make flotage, rust ... , while providing true controlled-depth filtration.Specifications: Retention rate: 1, 3, 5, 10, 20, 30, 50, 80, 100 ...