... dropout, good filtering accuracy Folded filterOverview and FeaturesPolypropylene folding depth filter cartridge is a cartridge, commonly used as liquid pre-overheating ... ), 500mm (20''508mm), 750mm (30''762mm), 1000mm (40''1016)Filter area: 0.5M2 (10''), 1.0M2 (20''), 1.5M2 (30''), 2.0M2 ... (40'')Filter jack: There are flat pressure, insert the card into ...