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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)
NEENAH (1 products)
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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Chemical Processing (37 products)
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Transportation (35 products)

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900 Series (45 products)
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2400 Series (4 products)
FE0800 (1 products)
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Foundry (11 products)
FP0800 (7 products)
MultiV+200D (9 products)
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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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Class B (87 products)
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H-20 (6 products)

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Plastic - (PP, HDPE, PE) (147 products)
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Kit (127 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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10.33" (3 products)
10.66" for TDS FP/FF/FE 0800 (8 products)
10.75" (3 products)
11.25" (7 products)
12.0" x 12.0" for NDS 1200 Series (107 products)
12" x 24" for Hubbell Polycast (1 products)
12.00" (22 products)
12.25" (1 products)
12.33" (3 products)
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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0.75" (19 products)
1.00" (1 products)
1.125" (137 products)
1.44" (7 products)
1.50" (55 products)
2.00" (4 products)

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INTERLAKEN (12 products)
LOCUST (6 products)
MESH (12 products)
MICRO-MESH (9 products)
OBLIO (6 products)
PERFORATED (1 products)
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SUN (6 products)
T-BAR (6 products)
TRANSVERSE SLOTTED (5 products)
WAVE (18 products)

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INDUSTRIAL (29 products)
NATURAL (1 products)
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Frame - Stainless (14 products)
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232 products

9" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

9" Fiberglass Kit w/ T-Bar Grate and WYE Frame - Load Class A

Regular price From $418.10 USD

Regular price Sale price From $418.10 USD
Unit price per
9" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

9" Fiberglass Kit w/ T-Bar T1215 Grate and EZ Frame - Load Class A

Regular price From $392.90 USD

Regular price Sale price From $392.90 USD
Unit price per
9" Fiberglass Heel Proof T-Bar Grate - Load Class A

9" Fiberglass Heel Proof T-Bar Grate - Load Class A

Regular price $209.78 USD

Regular price Sale price $209.78 USD
Unit price per
POLYCAST® DG0685HD Transverse Slotted Ductile Iron Catch Basin Grate | Load Class E

POLYCAST® DG0685HD Transverse Slotted Ductile Iron Catch Basin Grate | Load Class E

Regular price $335.79 USD

Regular price Sale price $335.79 USD
Unit price per
POLYCAST® DG0643 Slotted Gray Iron Catch Basin Grate | Load Class E

POLYCAST® DG0643 Slotted Gray Iron Catch Basin Grate | Load Class E

Regular price $266.01 USD

Regular price Sale price $266.01 USD
Unit price per
ULMA 658 Slotted Heel Proof Ductile Iron 9x20 Class C Grate - MultiV+200

ULMA 658 Slotted Heel Proof Ductile Iron 9x20 Class C Grate - MultiV+200

Regular price $82.56 USD

Regular price Sale price $82.56 USD
Unit price per
ULMA 678 Transverse Slotted HP Ductile Iron 9x20 Class E Grate - MultiV+200

ULMA 678 Transverse Slotted HP Ductile Iron 9x20 Class E Grate - MultiV+200

Regular price $119.23 USD

Regular price Sale price $119.23 USD
Unit price per
ULMA MV+200K w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

ULMA MV+200K w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

Regular price From $275.16 USD

Regular price Sale price From $275.16 USD
Unit price per
ULMA MV+200D w/ 658 HP Ductile Iron Slotted Grate Class C

ULMA MV+200D w/ 658 HP Ductile Iron Slotted Grate Class C

Regular price From $240.23 USD

Regular price Sale price From $240.23 USD
Unit price per
ULMA MV+200D w/ 660 Ductile Iron 9X20 Slotted Grate Class D

ULMA MV+200D w/ 660 Ductile Iron 9X20 Slotted Grate Class D

Regular price From $247.39 USD

Regular price Sale price From $247.39 USD
Unit price per
ULMA MV+200D w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

ULMA MV+200D w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

Regular price From $275.16 USD

Regular price Sale price From $275.16 USD
Unit price per
ULMA ID200 Installation Chair

ULMA ID200 Installation Chair

Regular price $22.13 USD

Regular price Sale price $22.13 USD
Unit price per

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Resources

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Determining Your Grate Size

Load Class Chart

Drainage News

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May 27, 2026
What is Load Class and Why Is It Important?
Feb 23, 2024
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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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