How doesthis 3" grate fit into the 3"Corrigrated pipe?? Mine won't ?? Flush to flange is too tight - other steps in diameter on grate too small ???

It's not made to fit corrugated pipe. Only pvc or abs solid pipe or 3 inch fitting.

What is the OD of the pipe insert?

It's a stepped insert so it should probably fit into most 3" pipe, schedule 40, 80 and landscape whatever size that is. I used it in a floor sink which had a schedule 40 opening. The problem with that is that it sat on one of those steps leaving that flange above the floor of the sink. I ended up drilling holes into the sleeve below the flange so that water wouldn't sit in the bottom of the sink. Easy, but not ideal. Don't have the measurements.

I need a much taller one of these. Any suggestions?

Why dont you extend the 3 inch base of the pipe-ie add whatever height you need and then put the grate on top of it. You can then also drill holes in the extension as well to allow water to drain through that along with the Atrium grate

Will the 3 inch atrium grate fit a inside a 3 inch pvc pipe?

I am 95% sure it will fit. My drains are 3 inch and they fit.

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3" Atrium Grate, Green

Product ID: 359590545

Details

Brand
NDS
Colour
Green
Finish Type
Green
Material
High Density
Special Feature
Drainage Hole

🌿9.4 sq. in. open surface area

💧29 GPM flow rate

🛡️HDPE durable, weather-resistant

A$28

Duties & taxes included

In stock

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Description

🌿 Keep your landscape flowing and flawless with the NDS Atrium Grate!

CLOG FREE FLOW - Optimized 1/4-inch grate openings keep debris out while letting water pass effortlessly.
TRUSTED BY THOUSANDS - Top-rated with 4.6 stars from 820+ reviews—join the savvy pros who never compromise drainage.
EFFORTLESS INSTALLATION - Snap-on design fits snugly on 3-inch drain pipes for a soil-tight, no-fuss setup.
BUILT TO BRAVE THE ELEMENTS - Crafted from high-density polyethylene for unmatched resistance to cracking and fading.
SEAMLESS LANDSCAPE INTEGRATION - Vibrant green finish blends naturally with mulched beds and garden aesthetics.

The NDS 3" Atrium Grate is a durable, green HDPE drain cover designed to prevent leaves and debris from clogging 3-inch drain pipes. With a 29 GPM flow rate and 9.4 sq. in. open surface area, it efficiently drains moderate water flows from mulched beds and patios. Easy to install and weather-resistant, it’s a top-rated solution trusted by thousands for maintaining clean, clog-free drainage.

Specifications

ASIN	B016TQKB7A
Best Sellers Rank	#168,660 in Garden & Outdoors ( See Top 100 in Garden & Outdoors ) #15 in Garden Drainage
Brand	NDS
Colour	Green
Compatible Groove Diameter	3 Inches
Country of Origin	USA
Customer Reviews	4.6 out of 5 stars 820 Reviews
Enclosure Material	High Density Polyethylene (HDPE)
Finish Type	Green
Finish Types	Green
Global Trade Identification Number	00052063300702
Included Components	NDS - 70
Item Depth	3 inches
Item Type Name	NDS - 70
Item Weight	0.15 Pounds
Manufacturer	NDS
Manufacturer Part Number	NDS - 70
Material	High Density Polyethylene (HDPE)
Model number	NDS - 70
Number of Items	1
Product Features	Drainage Hole, Lightweight
Product Style	Modern
Special Feature	Drainage Hole, Lightweight
Style	Modern
UPC	052063300702
Unit Count	1.0 Count

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