Grommets, Seals & Screens

National Hydro Group is your online source for Grommets, Seals & Screens. If you cant find the Grommets, Seals & Screens that meet your needs please give us a ring or send a quick email so we can help you find exactly what you're looking for.
Hydro Flow Top Hat Grommet Bulk 1/4 in - Display Box (250/Box)-NWGSupply.com
Save 1%
$77.50
$76.95

Hydro Flow Top Hat Grommet Bulk 1/4 in - Display Box (250/Box)

Hydro Flow

These grommets can be used to replace old, worn top hat grommets in your hydroponic system and can be a valuable solution when building your own ga...

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$77.50
$76.95
Save 1%
Hydro Flow Rubber Grommet 1/2 in (10/Bag)-NWGSupply.com
Save 33%
$6.89
$4.64

Hydro Flow Rubber Grommet 1/2 in (10/Bag)

Hydro Flow

Choose from the 4 sizes of Hydro Flow Grommets to fit your needs. Packaged in large amounts so you can sell individually.

$6.89
$4.64
Save 33%
3/4" Y Filter + 120 Mesh Screen-NWGSupply.com
Save 32%
$14.99
$10.13

3/4" Y Filter + 120 Mesh Screen

Grow1

Remove dirt and other particles from your water with the 3/4" Y Filter with 120 mesh (130 micron) screen. For use with 3/4" outer diameter hoses/tu...

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$14.99
$10.13
Save 32%
Hydro Flow Top Hat Grommet 1/2 in (10/Bag)-NWGSupply.com
Save 51%
$6.89
$3.36

Hydro Flow Top Hat Grommet 1/2 in (10/Bag)

Hydro Flow

These grommets can be used to replace old, worn top hat grommets in your hydroponic system and can be a valuable solution when building your own ga...

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$6.89
$3.36
Save 51%
Hydro Flow Top Hat Grommet 1/4 in (10/Bag)-NWGSupply.com
Save 54%
$6.89
$3.20

Hydro Flow Top Hat Grommet 1/4 in (10/Bag)

Hydro Flow

These grommets can be used to replace old, worn top hat grommets in your hydroponic system and can be a valuable solution when building your own ga...

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$6.89
$3.20
Save 54%
General Hydroponics Grommet 1-1/4 in (10/Bag)-NWGSupply.com
$17.40

General Hydroponics Grommet 1-1/4 in (10/Bag)

General Hydroponics

Replacement parts for all the Aeroflo systems.

$17.40
Hydro Flow Rubber Grommet 1/2 in - Display Box (500/Box)-NWGSupply.com
Save 30%
$225.00
$158.00

Hydro Flow Rubber Grommet 1/2 in - Display Box (500/Box)

Hydro Flow

Choose from the 4 sizes of Hydro Flow Grommets to fit your needs. Packaged in large amounts so you can sell individually.

$225.00
$158.00
Save 30%
In-Line Filter 1/2" (13 mm), pack of 5-NWGSupply.com
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$14.95
$13.46

In-Line Filter 1/2" (13 mm), pack of 5

Active Aqua

Features Super silent with multi-level muffler Special artificial rubber to keep a steady air flow output and pressure that can be adjusted freely...

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$14.95
$13.46
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3/4" Top Hat Grommet, Bag of 25-NWGSupply.com
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$12.95
$11.66

3/4" Top Hat Grommet, Bag of 25

Active Aqua

$12.95
$11.66
Save 10%
Hydro Flow 4 in Uniseal (1/Bag)-NWGSupply.com
Save 12%
$8.65
$7.62

Hydro Flow 4 in Uniseal (1/Bag)

Hydro Flow

Hydro Flow Uniseal is ideal for creating a secure seal in seconds for your reservoir or hydroponic system using PVC hard pipe or fittings.

$8.65
$7.62
Save 12%
Hydro Flow Top Hat Grommet 3/4 in (10/Bag)-NWGSupply.com
Save 26%
$6.89
$5.12

Hydro Flow Top Hat Grommet 3/4 in (10/Bag)

Hydro Flow

These grommets can be used to replace old, worn top hat grommets in your hydroponic system and can be a valuable solution when building your own ga...

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$6.89
$5.12
Save 26%
Hydro Flow Rubber Grommet 3/4 in (10/Bag)-NWGSupply.com
Save 19%
$6.89
$5.60

Hydro Flow Rubber Grommet 3/4 in (10/Bag)

Hydro Flow

Choose from the 4 sizes of Hydro Flow Grommets to fit your needs. Packaged in large amounts so you can sell individually.

$6.89
$5.60
Save 19%
Hydro Flow Rubber Grommet Bulk 1 in - Display Box (100/Box)-NWGSupply.com
Save 9%
$91.00
$83.00

Hydro Flow Rubber Grommet Bulk 1 in - Display Box (100/Box)

Hydro Flow

Choose from the 4 sizes of Hydro Flow Grommets to fit your needs. Packaged in large amounts so you can sell individually.

$91.00
$83.00
Save 9%
Hydro Flow Rubber Grommet 3/4 in - Display Box (250/Box)-NWGSupply.com
Save 29%
$137.50
$98.00

Hydro Flow Rubber Grommet 3/4 in - Display Box (250/Box)

Hydro Flow

Choose from the 4 sizes of Hydro Flow Grommets to fit your needs. Packaged in large amounts so you can sell individually.

$137.50
$98.00
Save 29%
1.25" Grommet-Aeroflo-NWGSupply.com
Save 21%
$22.00
$17.43

1.25" Grommet-Aeroflo

General Hydroponics

1-1/4" Grommet For Square AeroFlo2 Chamber Drain

$22.00
$17.43
Save 21%
Active Aqua Rubber Grommet, 3/4", pack of 25-NWGSupply.com
Save 25%
$15.95
$11.97

Active Aqua Rubber Grommet, 3/4", pack of 25

Active Aqua

All SystemTM 8' Cord Set with socket for vertical hanging of compact fluorescents No external reflector brackets required Patent #s: U.S. 7025,479...

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$15.95
$11.97
Save 25%
Active Aqua Rubber Grommet, 1/2", pack of 25-NWGSupply.com
Save 25%
$11.95
$8.97

Active Aqua Rubber Grommet, 1/2", pack of 25

Active Aqua

PLANT!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydropo...

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$11.95
$8.97
Save 25%
GH 3/4" Grommet, pack of 10-NWGSupply.com
Save 20%
$9.10
$7.28

GH 3/4" Grommet, pack of 10

General Hydroponics

3/4" Grommet Insert that goes into the 1" grommet as an adapter for barbed fittings (10 per pack)

$9.10
$7.28
Save 20%
1/2" Top Hat Grommet, bag of 25-NWGSupply.com
Save 4%
$7.95
$7.63

1/2" Top Hat Grommet, bag of 25

American Hydroponics

$7.95
$7.63
Save 4%
Active Aqua Screen Fitting, 1", pack of 10-NWGSupply.com
Save 4%
$5.95
$5.71
Save 4%
Hydro Flow 2 in Uniseal (1/Bag)-NWGSupply.com
Save 12%
$5.86
$5.15

Hydro Flow 2 in Uniseal (1/Bag)

Hydro Flow

Hydro Flow Uniseal is ideal for creating a secure seal in seconds for your reservoir or hydroponic system using PVC hard pipe or fittings.

$5.86
$5.15
Save 12%
Hydro Flow 3/4 in Uniseal (1/Bag)-NWGSupply.com
Save 12%
$2.57
$2.27

Hydro Flow 3/4 in Uniseal (1/Bag)

Hydro Flow

Hydro Flow Uniseal is ideal for creating a secure seal in seconds for your reservoir or hydroponic system using PVC hard pipe or fittings.

$2.57
$2.27
Save 12%
Hydro Flow 3 in Uniseal (1/Bag)-NWGSupply.com
Save 12%
$7.11
$6.26

Hydro Flow 3 in Uniseal (1/Bag)

Hydro Flow

Hydro Flow Uniseal is ideal for creating a secure seal in seconds for your reservoir or hydroponic system using PVC hard pipe or fittings.

$7.11
$6.26
Save 12%
Hydro Flow 1-1/2 in Uniseal (1/Bag)-NWGSupply.com
Save 12%
$3.76
$3.31

Hydro Flow 1-1/2 in Uniseal (1/Bag)

Hydro Flow

Hydro Flow Uniseal is ideal for creating a secure seal in seconds for your reservoir or hydroponic system using PVC hard pipe or fittings.

$3.76
$3.31
Save 12%