High-pressure filter housings for hydraulics made from ductile iron/steel for line installation and control block mounting – also as a top loader – for operating pressures up to 420 bar and nominal flow rates up to 1,135 l/min. Optionally with accessories such as optical, electrical and optical-electrical differential pressure indicators as well as integrated bypass valves, reversing valves, check valves or multifunction valves. High efficiency for separating solid particles in combination with original STAUFF SE filter elements.