Stauff FI RST 10LM WD B W3 Vlotterschakelaars H17C5610 202000 1255020 blank filter Element H17C5610 202000 1255020 Check Valves Type Size: 30S only Valve Body Opening Pressure: 1 Bar Steel Retaining Ring with Captive Seal only Fitting Body Steel Zinc Nickel Plated