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Collection: 9” - 12” Grates

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232 products

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D & L Foundry (3 products)
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Iron Age Designs (36 products)
NDS (136 products)
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Hubbell - POLYCAST (9 products)
ULMA (17 products)
USF (2 products)
TDS (Trench Drain Systems) (52 products)
Zurn (7 products)

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Residential (191 products)
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900 Series (45 products)
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Foundry (11 products)
FP0800 (7 products)
MultiV+200D (9 products)
MV+200K (9 products)
MV+200KX (9 products)
Point Drain (8 products)
POLYCAST 500 (4 products)
POLYCAST 600 (7 products)
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POLYCAST 900 (3 products)
Pro Series 12 (2 products)
Z882 (4 products)
Z886 (3 products)

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9.0" x 9.0" for NDS 900 Series (47 products)
9.00" (23 products)
10.00" (5 products)
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10.66" for TDS FP/FF/FE 0800 (8 products)
10.75" (3 products)
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12.0" x 12.0" for NDS 1200 Series (107 products)
12" x 24" for Hubbell Polycast (1 products)
12.00" (22 products)
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12.50" (4 products)
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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1.125" (137 products)
1.44" (7 products)
1.50" (55 products)
2.00" (4 products)

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OBLIO (6 products)
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SUN (6 products)
T-BAR (6 products)
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INDUSTRIAL (29 products)
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SLOTTED (106 products)

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Frame - None (155 products)
Frame - Galvanized (14 products)
Frame - Stainless (14 products)
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232 products

NDS 1222 Low Profile Adapter 12" x 12" for 8" Corrugated Pipe

NDS 1222 Low Profile Adapter 12" x 12" for 8" Corrugated Pipe

Regular price $65.28 USD

Regular price Sale price $65.28 USD
Unit price per
Iron Age IA-LOC-CB12 Class B Locust Cast Iron 12" x 12" Grate - RAW

Iron Age IA-LOC-CB12 Class B Locust Cast Iron 12" x 12" Grate - RAW

Regular price $221.65 USD

Regular price Sale price $221.65 USD
Unit price per
NDS 1200NGB Next Generation Catch Basin 12"x12" by NDS

NDS 1200NGB Next Generation Catch Basin 12"x12" by NDS

Regular price From $105.63 USD

Regular price Sale price From $105.63 USD
Unit price per
NDS 12" Low Profile Catch Basin Kit with NDS Slotted Grate | Black

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

Regular price From $125.25 USD

Regular price Sale price From $125.25 USD
Unit price per
NDS 1212S Class B ADA Compliant Slotted HDPE 12" x 12" Grate - SAND

NDS 1212S Class B ADA Compliant Slotted HDPE 12" x 12" Grate - SAND

Regular price $71.12 USD

Regular price Sale price $71.12 USD
Unit price per
NDS 981 Atrium HDPE 9" X 9" Grate - BLACK

NDS 981 Atrium HDPE 9" X 9" Grate - BLACK

Regular price $60.63 USD

Regular price Sale price $60.63 USD
Unit price per
NDS 9" Low Profile Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

NDS 9" Low Profile Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

Regular price From $311.66 USD

Regular price Sale price From $311.66 USD
Unit price per
900DSG Downspout Defender™ Grate 9" x 9"

900DSG Downspout Defender™ Grate 9" x 9"

Regular price $35.42 USD

Regular price Sale price $35.42 USD
Unit price per
NDS 913 Class C Slotted Cast Iron 9" x 9" Grate

NDS 913 Class C Slotted Cast Iron 9" x 9" Grate

Regular price $161.57 USD

Regular price Sale price $161.57 USD
Unit price per
Iron Age IA-INTER-CB09-BF Class B Interlaken Cast Iron 9" x 9" Grate - BoOF

Iron Age IA-INTER-CB09-BF Class B Interlaken Cast Iron 9" x 9" Grate - BoOF

Regular price $258.83 USD

Regular price Sale price $258.83 USD
Unit price per
NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

Regular price From $214.40 USD

Regular price Sale price From $214.40 USD
Unit price per
NDS 12" Low Profile Catch Basin Kit with NDS Slotted Grate | Gray

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

Regular price From $134.57 USD

Regular price Sale price From $134.57 USD
Unit price per
NDS 12" Low Profile Catch Basin Kit with NDS Slotted Grate | Sand

NDS 12" Low Profile Catch Basin Kit with NDS Slotted Grate | Sand

Regular price From $136.03 USD

Regular price Sale price From $136.03 USD
Unit price per
NDS 9" Catch Basin Kit with NDS Slotted Grate | Gray

NDS 9" Catch Basin Kit with NDS Slotted Grate | Gray

Regular price From $108.44 USD

Regular price Sale price From $108.44 USD
Unit price per
NDS 12" Catch Basin Kit with Iron Age Locust Grate | Baked on Oil Finish

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

Regular price From $380.61 USD

Regular price Sale price From $380.61 USD
Unit price per
Iron Age IA-INTER-CB12 Class B Interlaken Raw Cast Iron 12" x 12" Grate

Iron Age IA-INTER-CB12 Class B Interlaken Raw Cast Iron 12" x 12" Grate

Regular price $221.65 USD

Regular price Sale price $221.65 USD
Unit price per
NDS 1200 Sump Box 12" X 12" - NO Grate

NDS 1200 Sump Box 12" X 12" - NO Grate

Regular price $80.26 USD

Regular price Sale price $80.26 USD
Unit price per
FG-MESH-CB12 Class A Fiberglass 12" x 12" x 1" Catch Basin Grate - Dark Grey

FG-MESH-CB12 Class A Fiberglass 12" x 12" x 1" Catch Basin Grate - Dark Grey

Regular price $60.83 USD

Regular price Sale price $60.83 USD
Unit price per
NDS 1243 Universal Locking Outlet 3"and 4" for NDS Catch Basins

NDS 1243 Universal Locking Outlet 3"and 4" for NDS Catch Basins

Regular price $9.01 USD

Regular price Sale price $9.01 USD
Unit price per
NDS 1212 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GREEN

NDS 1212 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - GREEN

Regular price $59.10 USD

Regular price Sale price $59.10 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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