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Collection: 6 inch System

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Iron Age Designs (2 products)
NDS (18 products)
Hubbell - POLYCAST (108 products)
TDS (Trench Drain Systems) (38 products)
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Residential (99 products)
Decorative (27 products)
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General Purpose Drainage - External (133 products)
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Dura Slope (18 products)
POLYCAST 500 (13 products)
POLYCAST 600 (59 products)
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SS0600 (6 products)
Z886 (14 products)

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Class A (26 products)
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Grate (2 products)
Channel Grate (2 products)
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Channel Part (3 products)
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Kit (138 products)
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5.25" (112 products)
5.38" for Zurn Z886 (14 products)
6.00" for NDS DuraSlope (18 products)
12" x 24" for Hubbell Polycast (1 products)

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0.75" (144 products)
1.50" (1 products)

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145 products

POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

Regular price From $762.27 USD

Regular price Sale price From $762.27 USD
Unit price per
POLYCAST® DP0650 Inline Catch Basin w/DG0657RH Reinforced Perforated Stainless Grate & Edge

POLYCAST® DP0650 Inline Catch Basin w/DG0657RH Reinforced Perforated Stainless Grate & Edge

Regular price $742.62 USD

Regular price Sale price $742.62 USD
Unit price per
POLYCAST 600 Series Kit w/ ADA DG0675HD Transverse Slot Ductile Iron Grate & Galvanized Edging

POLYCAST 600 Series Kit w/ ADA DG0675HD Transverse Slot Ductile Iron Grate & Galvanized Edging

Regular price From $248.07 USD

Regular price Sale price From $248.07 USD
Unit price per
POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

Regular price From $289.28 USD

Regular price Sale price From $289.28 USD
Unit price per
POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate

POLYCAST 600 Series Kit with DG0647 Slotted Stainless Grate

Regular price From $300.49 USD

Regular price Sale price From $300.49 USD
Unit price per
POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate

POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate

Regular price From $404.18 USD

Regular price Sale price From $404.18 USD
Unit price per
NDS Dura Slope Kit with DS-670 Plastic Perforated Grate | Light Gray

NDS Dura Slope Kit with DS-670 Plastic Perforated Grate | Light Gray

Regular price From $419.00 USD

Regular price Sale price From $419.00 USD
Unit price per
NDS Dura Slope Kit with DS-232 Ductile Iron Grate - 6"

NDS Dura Slope Kit with DS-232 Ductile Iron Grate - 6"

Regular price From $475.22 USD

Regular price Sale price From $475.22 USD
Unit price per
NDS Dura Slope Kit with DS-604 Cast Iron Brick Grate | Baked on Oil Finish

NDS Dura Slope Kit with DS-604 Cast Iron Brick Grate | Baked on Oil Finish

Regular price From $592.57 USD

Regular price Sale price From $592.57 USD
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NDS® Dura Slope Kit with DS-604 Cast Iron Brick Grate | RAW

NDS® Dura Slope Kit with DS-604 Cast Iron Brick Grate | RAW

Regular price From $539.77 USD

Regular price Sale price From $539.77 USD
Unit price per
NDS® Dura Slope Kit with DS-603 Cast Iron Tile Grate - RAW

NDS® Dura Slope Kit with DS-603 Cast Iron Tile Grate - RAW

Regular price From $539.77 USD

Regular price Sale price From $539.77 USD
Unit price per
NDS® Dura Slope Kit with DS-603-BF Cast Iron Tile Grate - BoOF

NDS® Dura Slope Kit with DS-603-BF Cast Iron Tile Grate - BoOF

Regular price From $592.57 USD

Regular price Sale price From $592.57 USD
Unit price per
NDS® Dura Slope Kit with DS-602-BF Cast Iron Diamond Grate - BoOF

NDS® Dura Slope Kit with DS-602-BF Cast Iron Diamond Grate - BoOF

Regular price From $592.57 USD

Regular price Sale price From $592.57 USD
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NDS® Dura Slope Kit with DS-601-BF Cast Iron Weave Grate - BoOF

NDS® Dura Slope Kit with DS-601-BF Cast Iron Weave Grate - BoOF

Regular price From $592.57 USD

Regular price Sale price From $592.57 USD
Unit price per
NDS Dura Slope Kit with Iron Age Locust 6" Grate - BoOF

NDS Dura Slope Kit with Iron Age Locust 6" Grate - BoOF

Regular price From $1,012.05 USD

Regular price Sale price From $1,012.05 USD
Unit price per
NDS Dura Slope Kit with DS-665 HDPE Slotted Grate | Brick Red

NDS Dura Slope Kit with DS-665 HDPE Slotted Grate | Brick Red

Regular price From $426.40 USD

Regular price Sale price From $426.40 USD
Unit price per
NDS Dura Slope Kit with DS-228 Galvanized Perforated Grate

NDS Dura Slope Kit with DS-228 Galvanized Perforated Grate

Regular price From $489.44 USD

Regular price Sale price From $489.44 USD
Unit price per
NDS® Dura Slope Kit with DS-664 HDPE Slotted Grate | Sand

NDS® Dura Slope Kit with DS-664 HDPE Slotted Grate | Sand

Regular price From $419.00 USD

Regular price Sale price From $419.00 USD
Unit price per
NDS® Dura Slope Kit with DS-609 Deco Slot Grate | RAW

NDS® Dura Slope Kit with DS-609 Deco Slot Grate | RAW

Regular price From $539.77 USD

Regular price Sale price From $539.77 USD
Unit price per
NDS® Dura Slope Kit with DS-609-BF Deco Slot Grate | Baked on Oil Finish

NDS® Dura Slope Kit with DS-609-BF Deco Slot Grate | Baked on Oil Finish

Regular price From $592.57 USD

Regular price Sale price From $592.57 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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