Flapper Valve Non - Return 1" (inc split unions) Size: 55cm

Size: 55cm

The pond water may appear slightly milky

thus acting as a first stage mechanical filter

Manufactured in the UK by Evolution Aqua

Flapper Valve Non - Return 1" (inc split unions) Size: 55cmDouble Union Flapper Non Return Valve Very Reliable Double Union Flapper Non Return Valve, this Double Union Flapper Non Valve has minimum resistance also with the advantage of waste particules that can be removed by unscrewing the double union fittings. The Double Union Flapper Non Return Valve provides a simple means of preventing backflow in pipe work where this would be undesirable i. e in pumped systems or where Elecro heaters are fitted in line.