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NDS 991 - 9" Square Atrium Grate, Green

NDS 991 - 9" Square Atrium Grate, Green

SKU 991 NDS
Sale Sale
$53.18
$53.18 - $53.18
$53.18
$42.40
$42.40 - $42.40
$42.40
Availability:
2 in stock.

Additional information

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9" x 9" Square Atrium Grate, Green

NDS grates are a proven alternative to traditional concrete drains with UV inhibitors are used to prevent fading and cracking from the sun, chemical-resistant, rustproof and maintenance-free, lightweight and easy to install. NDS has a full line of drainage products, fittings and accessories available.

Material HDPE
Color Green
Length 9
Width 9 in.
Height 4-3/4"
Weight 0.8700
  • ADA Compliant: Yes
  • Grate Opening: 31.50 sq. inch open space
  • Capacity 96.36 GPM

Part of NDS 9" Catch Basin Series.

 

Catalog & Brochures

Drainage Catalog
PDF

Videos

S5 Sustainable stormwater Solutions
Watch Video
S5 Overview
Watch Video
How to Drain Water from your Landscape: NDS Area Drains
Watch Video
S5 Intro
Watch Video
How do I determine the stormwater runoff on my property?
Watch Video

Technical Information

CSI sheets: Dry Well Flo Well Stormwater Leaching System Sec 02630
Word DOC
CSI sheets: Flo Well Manufactured Dry Wells Guide Specification 4 13 15
Word DOC
Specifications Sheets: 9" Square Atrium Grate 981 991
PDF
Specifications Sheets: NDS Catch Basin Flow Capacities
PDF
Specifications Sheets: NDS Catch Basin Invert Table
PDF

Customer Reviews

Based on 30 reviews
87%
(26)
3%
(1)
0%
(0)
3%
(1)
7%
(2)
T
Tim Reed
Good price

Master has the best price on all size valve boxes from 6" round up to the 117-BC 24"x17" rectangle

Thank you for your kind review! We're happy to hear that you found our prices for valve boxes to be the best. We strive to offer competitive prices for all sizes, including the 6' round and the 117-BC 24'x17' rectangle. We appreciate your support!

S
Sharon Cassidy
Just what I needed

After Hurricane Milton I noticed the grate to my French drain was missing. Looked all over the Internet for one and finally found one at Master Landscape Supply which was priced reasonably. Got it two days later! Thank you for your prompt response.

Dear valued customer,

Thank you for leaving a positive review about our NDS 1211 - 12' Square Grate in Black. We are glad to hear that it was just what you needed, especially after Hurricane Milton. We understand the importance of having a functioning French drain, and we are happy to have been able to provide you with a reasonably priced solution. We appreciate your business and hope to serve you again in the future. Thank you for choosing Master Landscape Supply.

Best,
Mark S.
Master Landscape Supply Customer Service

D
Dept. Natural Resources (Fishery)

👍

T
Tal Dick
Riser fits perfectly

I have a low surface drain 6 inch round that was always filling with dirt from rain runoff. I found this on a web search and purchased 2 in case I cut it too short and needed a 2nd. It fit perfectly and now I can fix a 2nd drain that has the same issue. Glad I ordered a back up! Problem Solved!

Hi there!

Thank you for taking the time to leave a review for our NDS 101R - Spee-D Basin Risers. We are thrilled to hear that it fit perfectly and helped solve the issue with your low surface drain. We're also glad that you purchased a back up, just in case. We appreciate your business and hope to continue providing you with quality products in the future.

Best,
Mark S
MLS Customer Service Team

K
Kevin Evans
Placement grate works great

Installing the new grates were easy and efficient.

Thank you for sharing your positive review with our NDS 541 Mini Channel Grates! We're glad to hear that the installation process was easy and efficient for you. Happy to know that the placement grate is working great for you. Thank you for choosing our product. Have a great day!

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