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Polylok 6" Flow Gate (Drainage Pop-Up Emitter)
Allows water captured by grates, catch basins, channel drains, flow-well, downspouts and roof gutter systems to flow through the drainage pipe and to a water safe area such as a gutter
Opened by the hydrostatic pressure of water flowing through the drain pipe, as flow diminishes the emitter closes again
Great for discharging water from retaining walls and street curbs
Fits 6 in. hub sewer and drain fittings
Stainless steel spring
The Polylok Flow Gate is a Pop-Up Emitter that provides a downstream point of release for water collected upstream.