Will this fit in 3-5/8 id x 3-7/8 od pipe? The goofy product details give the dimension of the box!

I can't measure mine because I have already installed it underground, but I put it into "4 inch" corrugated black flexible drain pipe and it fit perfectly. However there is noting to hold it in place and I had to put in two screws to hold it on tightly.

Is this the right product for the uphill beginning of a run into a catch basin? It will be buried but I don't want the end open right?

This is the correct end cap to allow water to enter the xeain pipe. It should be flush with the surface. Small objects might enter but not large ones.

What is the exact diameter of the top grate part for the 4" drain? In inches please

The top grate part of this item is 4.5" in diameter.

Why am I limited to buying only 3? I need 6 to finish my home project.

Also the limit of 3 is per user not per order. So once you order 3 of it there is no way you can order ever again unless you want to purchase from another seller who is selling to 3 times the price. The product is good but the quantity restriction by the seller makes no sense. I wanted 7 .... bought 3 from my account and 3 from my wife’s after that there is no way I can order any more. Amazon customer care is useless and they will keep repeating the seller has put this restriction. I asked them that what kind of seller wants to sell a product to a customer and then never want to deal with that customer ever again and they said “sorry we understand your frustration and will take this feedback”. The seller really needs to understand this. Also there is no way to contact the seller.

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NDS 11, 4 in. Round Grate Cover Connects to 4 Inch Drain Pipes & Fittings, for Small Lawns, Landscaping and Patios, Black Plastic

Product ID: 316960098

Details

Brand
NDS
Colour
Black
Material
Structural
Product dimensions
11.4W x 3.6H
Special features
Anti-Clogging

🌿Blocks leaves & debris

💧12 GPM flow rate

🛠️Fits 4 in. drain pipes & fittings

R459

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

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Description

🌧️ Stay dry, stay ahead — the smart drain cover your lawn deserves!

DEBRIS DEFENSE SYSTEM - Prevents leaves and debris from clogging your drainage, ensuring uninterrupted water flow.
DURABLE UV RESISTANT BUILD - Crafted from structural foam polyolefin with UV inhibitors to resist fading and cracking under the sun.
EFFORTLESS DRAINAGE EFFICIENCY - Handles up to 12 gallons per minute to keep your outdoor spaces dry and pristine.
UNIVERSAL 4 INCH COMPATIBILITY - Seamlessly connects with standard 4-inch sewer, single-wall, and triple-wall pipes for a perfect soil-tight fit.
ADA COMPLIANT PEDESTRIAN SAFE - Heel-proof design supports foot, bicycle, and wheelchair traffic, blending safety with functionality.

The NDS 11, 4-inch Round Grate Cover is a durable, UV-resistant drainage solution designed to fit standard 4-inch pipes. It efficiently manages up to 12 GPM of surface water while blocking leaves and debris to prevent clogs. ADA-compliant and pedestrian-safe, it’s ideal for small lawns, patios, and landscaped areas, combining professional-grade performance with easy installation.

Specifications

ASIN	B000BO8OAI
Additional Features	Anti-Clogging
Best Sellers Rank	#119,146 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #142 in Pipes
Brand Name	NDS
Color	Black
Compatible Groove Diameter	4 Inches
Customer Reviews	4.6 4.6 out of 5 stars (3,854)
Global Trade Identification Number	00052063400112
Included Components	NDS 11 Plastic Round Grate, 4-Inch, Black
Item Dimensions W x H	11.4W x 3.6H centimeters
Item Length	4 Inches
Item Type Name	Connects to 4 Inch Drain Pipes & Fittings, for Small Lawns, Landscaping and Patios
Item Weight	0.14 Pounds
Manufacturer	NDS Raindrip
Manufacturer Part Number	11
Manufacturer Warranty Description	1 Year Warranty
Material Type	Structural foam polyolefin
Model Number	11, 4 in.
Number of Items	1
Number of Packs	1
Product Style	11
UPC	052063400112
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

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R459

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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