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Continue to ChatAVENTICS - 0821300237 - Filter pressure regulator, Series NL4-FRE (NL4-FRE-G012-GAU-100-PBS-AO-05,00) https://www.valves-direct.com/product/aventics-0821300237-filter-pressure-regulator-series-nl4-fre-nl4-fre-g012-gau-100-pbs-ao-0500/