Why do you describe this as 3 inch and 4 inch? one answer suggests it's 4 inch not 3 inch... so isn't your description wrong? certainly unclear.

The pop up head fits into a 4" PVC SDR35 fitting or over a 3" PVC SDR35 fitting

The pipe we have is 3 3/8 inches o.d. The emitter fits over it, but not snugly. Can anyone tell me what kind of adapter to use?

Just use a screw(stainless to prevent rust). Drill a small hole threw the pipe and emitter rim and secure the emitter to the pipe. Common fix.

For anyone that has used the popup valve, do you get soil erosion around the popup valve? I'm going to be using this with a sump pump.

I've had mine for one year. It discharges an underground drainpipe leading from an upgradient catch basin that drains what used to be a waterlogged low area next to my house. I see no erosion by the popup, which is on a hillslope barely above the soil surface where a grassy lawn grows. It looks just like the rest of the lawn.

Does it come in gray or white color?

Gray or white ???? I don't know for sure. Mine are a dark forest green. I never seen anything to indicate there are any color choices. Does not seem likely but again I cannot say for sure. Try looking on internet for manufacturer web site. If green is undesirable I suppose some spray paint might be appropriate.

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💧 Elevate your drainage game — because standing water is so last season!

SMART POP UP DESIGN - Innovative cover rises up to 1 inch under water pressure, ensuring efficient drainage while minimizing trip hazards.
LIFETIME PEACE OF MIND - Backed by a hassle-free limited lifetime warranty, guaranteeing defect-free performance or replacement.
DURABLE LOW MAINTENANCE - Robust polyethylene construction with an outside flange that prevents grass overgrowth and withstands lawn mower blades.
UNIVERSAL PIPE COMPATIBILITY - Connects easily to 3-inch and 4-inch sewer and drain fittings with adaptable versatility for multiple pipe types.
EFFORTLESS STORMWATER MANAGEMENT - Seamlessly channels runoff to safe discharge points, protecting your property from costly water damage.

The NDS 420C Pop-Up Drainage Emitter is a polished green polyethylene fixture designed to fit 3-inch and 4-inch sewer and drain pipes. It efficiently releases up to 40 gallons per minute of collected stormwater runoff, protecting landscapes and structures by directing water to safe discharge points. Its pop-up cover rises under water pressure to reduce trip hazards and supports pedestrian and lawn tractor traffic. Durable and low-maintenance, it features an outside flange to prevent grass overgrowth and comes with a limited lifetime warranty for reliable, long-term use.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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€ 27.43

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Brand	NDS
Color	Green Plastic
Material	Plastic
Finish Type	Polished
Product Dimensions	5.94"W x 1.25"H
Special Feature	Pop-Up
Style	420C
Number of Items	1
Manufacturer	NDS, Inc.
UPC	052063030005
Global Trade Identification Number	00052063030005
Part Number	420C
Item Weight	2.88 ounces
Item model number	420C
Is Discontinued By Manufacturer	No
Size	3-inch & 4-inch
Finish	Polished
Pattern	Drainage Emitter
Power Source	manual
Item Package Quantity	1
Number Of Pieces	1
Special Features	Pop-Up
Included Components	NDS - 422
Batteries Included?	No
Batteries Required?	No
Warranty Description	Warranty.

NDS 420C Pop-Up Drainage Emitter, fits 3-Inch and 4-Inch Sewer and Drain Fittings, Works with Drainage Systems Including Catch Basins and Channel Drains, Green

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