4inch Flap Valves - Size 4
SKU
NR0008
Flap valves can be installed at the end of horizontal sewage pipes entering collection wells, cesspits or in drainage pipes leading storm water to soakaways or rivers. The Drainage Flap Valve comes with an universal coupler allowing it to be installed on drainage pipes or corrugated pipes without holes, from 72 to 100mm diameter.
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