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Collection: 9” - 12” Grates

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232 products

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Hubbell - POLYCAST (9 products)
ULMA (17 products)
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TDS (Trench Drain Systems) (52 products)
Zurn (7 products)

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Point Drain (8 products)
POLYCAST 500 (4 products)
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POLYCAST 900 (3 products)
Pro Series 12 (2 products)
Z882 (4 products)
Z886 (3 products)

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18.0" x 18.0" for NDS 1800 Series (4 products)
24.0" x 24.0" for NDS 2400 Series (4 products)

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232 products

Iron Age IA-OBLIO-CB12-BF Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - BoOF

Iron Age IA-OBLIO-CB12-BF Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - BoOF

Regular price $297.44 USD

Regular price Sale price $297.44 USD
Unit price per
NDS 12" Low Profile Catch Basin Kit w/ Iron Age Interlaken Grate | BoOF

NDS 12" Low Profile Catch Basin Kit w/ Iron Age Interlaken Grate | BoOF

Regular price From $362.35 USD

Regular price Sale price From $362.35 USD
Unit price per
NDS 12" Catch Basin Kit with Iron Age Oblio Grate | Baked on Oil Finish

NDS 12" Catch Basin Kit with Iron Age Oblio Grate | Baked on Oil Finish

Regular price From $380.61 USD

Regular price Sale price From $380.61 USD
Unit price per
NDS 1218CI-BF Class B Botanical Cast Iron 12" x 12" Grate - BoOF

NDS 1218CI-BF Class B Botanical Cast Iron 12" x 12" Grate - BoOF

Regular price $326.66 USD

Regular price Sale price $326.66 USD
Unit price per
NDS 1218GN Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GREEN

NDS 1218GN Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GREEN

Regular price $85.87 USD

Regular price Sale price $85.87 USD
Unit price per
NDS 1210 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GRAY

NDS 1210 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GRAY

Regular price $69.66 USD

Regular price Sale price $69.66 USD
Unit price per
NDS 12" Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

NDS 12" Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

Regular price From $380.61 USD

Regular price Sale price From $380.61 USD
Unit price per
NDS 12" Catch Basin Kit with NDS Wave Grate | Baked on Oil Finish

NDS 12" Catch Basin Kit with NDS Wave Grate | Baked on Oil Finish

Regular price From $592.36 USD

Regular price Sale price From $592.36 USD
Unit price per
NDS 12" Catch Basin Kit with NDS Wave Grate | Sand

NDS 12" Catch Basin Kit with NDS Wave Grate | Sand

Regular price From $169.25 USD

Regular price Sale price From $169.25 USD
Unit price per
NDS 12" Low Profile Catch Basin Kit with NDS Wave Grate | Gray

NDS 12" Low Profile Catch Basin Kit with NDS Wave Grate | Gray

Regular price From $150.99 USD

Regular price Sale price From $150.99 USD
Unit price per
NDS 12" Low Profile Catch Basin Kit with NDS Botanical Grate | Black

NDS 12" Low Profile Catch Basin Kit with NDS Botanical Grate | Black

Regular price From $156.05 USD

Regular price Sale price From $156.05 USD
Unit price per
NDS 12" Catch Basin Kit with NDS Slotted Grate | Gray

NDS 12" Catch Basin Kit with NDS Slotted Grate | Gray

Regular price From $152.83 USD

Regular price Sale price From $152.83 USD
Unit price per
NDS 1200 Series 2 Opening Catch Basin 12″ x 12″

NDS 1200 Series 2 Opening Catch Basin 12″ x 12″

Regular price $58.95 USD

Regular price Sale price $58.95 USD
Unit price per
NDS 1230 Low Profile Catch Basin 12" x 12" from NDS®

NDS 1230 Low Profile Catch Basin 12" x 12" from NDS®

Regular price $47.90 USD

Regular price Sale price $47.90 USD
Unit price per
NDS 12" Low Profile Catch Basin Kit with HP Oblio Grate | Baked on Oil Finish

NDS 12" Low Profile Catch Basin Kit with HP Oblio Grate | Baked on Oil Finish

Regular price From $362.35 USD

Regular price Sale price From $362.35 USD
Unit price per
NDS 12" Low Profile Catch Basin Kit with NDS Botanical Grate | Green

NDS 12" Low Profile Catch Basin Kit with NDS Botanical Grate | Green

Regular price From $150.99 USD

Regular price Sale price From $150.99 USD
Unit price per
NDS 12" Catch Basin Kit with NDS Wave Grate | Black

NDS 12" Catch Basin Kit with NDS Wave Grate | Black

Regular price From $175.92 USD

Regular price Sale price From $175.92 USD
Unit price per
NDS 12" Catch Basin Kit with Iron Age Sun Grate | Natural

NDS 12" Catch Basin Kit with Iron Age Sun Grate | Natural

Regular price From $304.82 USD

Regular price Sale price From $304.82 USD
Unit price per
NDS 12" Catch Basin Kit with Iron Age Locust Grate | Natural

NDS 12" Catch Basin Kit with Iron Age Locust Grate | Natural

Regular price From $304.82 USD

Regular price Sale price From $304.82 USD
Unit price per
NDS 12" Catch Basin Kit with Iron Age Interlaken Grate | RAW

NDS 12" Catch Basin Kit with Iron Age Interlaken Grate | RAW

Regular price From $304.82 USD

Regular price Sale price From $304.82 USD
Unit price per

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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Drainage News

How Do You Clean Out a Trench Drain Without Damaging It?
May 27, 2026
What is Load Class and Why Is It Important?
Feb 23, 2024
Keeping Livestock Safe – Grate Ideas
Feb 02, 2024
TDS Bronze Age™ Collection
Oct 31, 2023

On Sale

ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C
~~$237.16~~ $183.00
ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C
~~$237.16~~ $183.00
ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C
~~$237.16~~ $183.00

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