Product: NDS 420 Pop Up Drain Emitter Cover Spring Loaded 3 Inch and 4 Inch Green OEM Replacement Lawn Drainage Cover
Brand: NDS
The NDS Plastic Snap-On Drain Pop-Up Emitter Replacement Top opens due to the hydrostatic pressure of water flowing through the drain pipe and closes as the flow diminishes. Snap-on connection. Use for water captured by grates, catch basins, channel drains, flo-well, downspouts and roof gutter systems. Use with an elbow to divert and release water to water-safe areas away from structures, erosion-prone landscapes and poor drainage areas (elbow sold separately). Fits 3 in. and 4 in. hub sewer and drain fittings (sold separately). Blends into the surrounding landscape. Manufactured from 100% recycled plastic. Low profile to provide adequate mower clearance. Remains closed in dry weather to keep out debris and rodents. Automatically retracts and closes the emitter to help prevent damage from lawn mowers.
Made to open to release excess water and close as flow decreases
Easy installation with snap-on top
Plastic construction is corrosion resistant for long-lasting use
Use for water captured by grates, catch basins, channel drains, flo-well, downspouts and roof gutter systems
Fits 3 in. and 4 in. hub sewer and drain fittings (sold separately)

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