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Collection: NDS Grates

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NDS (165 products)
TDS (Trench Drain Systems) (3 products)

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Sports Complex - Recreational (107 products)
Food Processing (2 products)
General Purpose Drainage - Interior (105 products)
General Purpose Drainage - External (107 products)
Transportation (9 products)

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900 Series (10 products)
1200 Series (23 products)
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Mini Channel (31 products)
Point Drain (8 products)
Pro Series 3 (1 products)
Pro Series 5 (10 products)
Pro Series 8 (4 products)
Pro Series 12 (2 products)
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Spee-D (33 products)

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Class A (48 products)
Class B (111 products)
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Plastic - (PP, HDPE, PE) (126 products)
Plastic - (PP, HDPE, PE) - Gray (31 products)
Plastic - (PP, HDPE, PE) - Sand (31 products)

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Grate (165 products)
Channel Grate (114 products)
Catch Basin Grate (49 products)
Part (2 products)
Channel Part (3 products)

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Bronze - Brushed (4 products)
Bronze - Polished (2 products)
Ductile/Cast Iron - Baked on Oil Finish (11 products)
Ductile/Cast Iron - Raw (19 products)
Fiberglass (1 products)
Fiberglass - 1.50" Sq Mesh (1 products)
Galvanized Steel (7 products)
Plastic/HDPE - Black (27 products)
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Stainless Steel 304 (1 products)
Stainless Steel 316L (2 products)

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2.25" for NDS Slim Channel (10 products)
2.38" for Zurn Z880 (1 products)
2.75" for NDS Mini Channel (31 products)
3.00" Dia (1 products)
3.88" for Pro Series 3 (1 products)
4.00" Dia (1 products)
4.13" for NDS Spee-D (31 products)
4.75" x 4.75" for NDS Pipe Adaptors (1 products)
5.18" for Pro Series 5 (10 products)
6.00" for NDS DuraSlope (24 products)
6.00" Dia (2 products)
6.13" x 6.13" for NDS Pipe Adaptors (1 products)
7.88" for Pro Series 8 (4 products)
7.88" x 7.88" (1 products)
9.0" x 9.0" for NDS 900 Series (11 products)
12.0" x 12.0" for NDS 1200 Series (24 products)
15.00" Dia (1 products)
18.0" x 18.0" for NDS 1800 Series (7 products)
24.0" x 24.0" for NDS 2400 Series (3 products)

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0.25" with T-Top (9 products)
0.38" (17 products)
0.38" with T-Top (14 products)
.50" (1 products)
0.75" (71 products)
1.00" (7 products)
1.125" (32 products)
1.25" with T-Top (1 products)
1.50" with T-Top (1 products)
1.75" with T-Top (1 products)
2.00" (4 products)
4.75" with T-Top (1 products)

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ATRIUM (8 products)
BAR (3 products)
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DIAMOND (2 products)
OBLIO (35 products)
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SLOTTED (54 products)
SQ DECO (3 products)
TILE (2 products)
WAVE (7 products)
WEAVE (2 products)

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GEOMETRIC (40 products)
NATURE (41 products)
PERFORATED (7 products)
SLOTTED (65 products)

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Edging - Galvanized (9 products)
Edging - Stainless (11 products)
Frame - None (155 products)
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165 products

NDS® 920B Square 6" Satin Brass Grate with 3" Bottom Styrene Adapter

NDS® 920B Square 6" Satin Brass Grate with 3" Bottom Styrene Adapter

Regular price $247.93 USD

Regular price Sale price $247.93 USD
Unit price per
NDS® 919PB Round 6" Grate with Styrene Collar - Polished Brass

NDS® 919PB Round 6" Grate with Styrene Collar - Polished Brass

Regular price $225.94 USD

Regular price Sale price $225.94 USD
Unit price per
NDS® 16 Round 3" Grate for Drain Pipe

NDS® 16 Round 3" Grate for Drain Pipe

Regular price $5.26 USD

Regular price Sale price $5.26 USD
Unit price per
NDS 1815 Class C 18" Galvanized Grate

NDS 1815 Class C 18" Galvanized Grate

Regular price $726.28 USD

Regular price Sale price $726.28 USD
Unit price per
NDS 881 Class A ADA Compliant Slotted HDPE 8" x 8" Grate - BLACK

NDS 881 Class A ADA Compliant Slotted HDPE 8" x 8" Grate - BLACK

Regular price $19.48 USD

Regular price Sale price $19.48 USD
Unit price per
NDS 913B Square Satin Brass 5" Grate w/ PVC Collar

NDS 913B Square Satin Brass 5" Grate w/ PVC Collar

Regular price $124.69 USD

Regular price Sale price $124.69 USD
Unit price per
NDS® 921B Square 6" Satin Brass Grate with Styrene Adapter

NDS® 921B Square 6" Satin Brass Grate with Styrene Adapter

Regular price $222.81 USD

Regular price Sale price $222.81 USD
Unit price per
NDS 1213 Class C Slotted Cast Iron 12" x 12" Grate

NDS 1213 Class C Slotted Cast Iron 12" x 12" Grate

Regular price $218.04 USD

Regular price Sale price $218.04 USD
Unit price per
NDS-1511 Round Slotted Grate 15 Inch

NDS-1511 Round Slotted Grate 15 Inch

Regular price $184.86 USD

Regular price Sale price $184.86 USD
Unit price per
NDS DS-603 Class C Tile Ductile Iron 6" x 24" Grate - RAW

NDS DS-603 Class C Tile Ductile Iron 6" x 24" Grate - RAW

Regular price $127.08 USD

Regular price Sale price $127.08 USD
Unit price per
NDS DS-602 Class C Diamond Ductile Iron 6" x 24" Grate - RAW

NDS DS-602 Class C Diamond Ductile Iron 6" x 24" Grate - RAW

Regular price $127.08 USD

Regular price Sale price $127.08 USD
Unit price per
NDS DS-601 Class C Weave Ductile Iron 6" x 24" Grate - RAW

NDS DS-601 Class C Weave Ductile Iron 6" x 24" Grate - RAW

Regular price $127.08 USD

Regular price Sale price $127.08 USD
Unit price per
NDS Slim Channel 9261 Class A Plastic Chain Deco 2" x 36" Grate - WHITE

NDS Slim Channel 9261 Class A Plastic Chain Deco 2" x 36" Grate - WHITE

Regular price $21.22 USD

Regular price Sale price $21.22 USD
Unit price per
NDS DS-601-BF Class C Weave Ductile Iron 6" x 24" Grate - BoOF

NDS DS-601-BF Class C Weave Ductile Iron 6" x 24" Grate - BoOF

Regular price $153.48 USD

Regular price Sale price $153.48 USD
Unit price per
NDS DS-602-BF Class C Diamond Ductile Iron 6" x 24" Grate - BoOF

NDS DS-602-BF Class C Diamond Ductile Iron 6" x 24" Grate - BoOF

Regular price $153.48 USD

Regular price Sale price $153.48 USD
Unit price per
NDS DS-609 Class C Slotted Ductile Iron 6" x 24" Grate - RAW

NDS DS-609 Class C Slotted Ductile Iron 6" x 24" Grate - RAW

Regular price $127.08 USD

Regular price Sale price $127.08 USD
Unit price per
NDS® DS-604 Class D Brick Ductile Iron 6" x 24" Grate - RAW

NDS® DS-604 Class D Brick Ductile Iron 6" x 24" Grate - RAW

Regular price $127.08 USD

Regular price Sale price $127.08 USD
Unit price per
NDS DS-604-BF Class C Brick Ductile Iron 6" x 24" Grate - BoOF

NDS DS-604-BF Class C Brick Ductile Iron 6" x 24" Grate - BoOF

Regular price $153.48 USD

Regular price Sale price $153.48 USD
Unit price per
NDS 836 Class A Slotted Pedestrian Polyolefin 8" x 24" Grate

NDS 836 Class A Slotted Pedestrian Polyolefin 8" x 24" Grate

Regular price $110.76 USD

Regular price Sale price $110.76 USD
Unit price per
NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

Regular price $245.10 USD

Regular price Sale price $245.10 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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