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Flow meter FlowVis Dn40 (50 mm glued) with non-return valve
Flowmeter FlowVis Dn50 (63 mm glued) with non-return valve
Flowmeter FlowVis Dn80 (90 mm glued) with non-return valve
Flowmeter FlowVis Dn100 (110 mm glued) with non-return valve