BODY MATERIAL ST- 37 CARTRIDGE MATERIAL PP (disc) PA (screen AISI 304 cage PA ) MAXIMUM WORKIG PRESSURE 8 BAR (116 PSI) MAXIMUM WORKING TEMPERATURE 60 ⁰ C (140 F) THE FILTRATION DEGREE 20-50-100-125 micron CARTRIDGE OF FILTERS D: disc cartridge E: screen cartridge