---
product_id: 516774130
title: "Hydrofarm 1/2 Rubber Grommet"
brand: "hydrofarm"
price: "€ 60.75"
currency: EUR
in_stock: true
reviews_count: 5
category: "Hydrofarm"
url: https://www.desertcart.be/products/516774130-hydrofarm-1-2-rubber-grommet
store_origin: BE
region: Belgium
---

# 100% waterproof seal Pack of 25 for bulk DIY projects Fits 1/2 inch connectors perfectly Hydrofarm 1/2 Rubber Grommet

**Brand:** hydrofarm
**Price:** € 60.75
**Availability:** ✅ In Stock

## Summary

> 💧 Seal the deal with Hydrofarm’s ultimate waterproof grommets!

## Quick Answers

- **What is this?** Hydrofarm 1/2 Rubber Grommet by hydrofarm
- **How much does it cost?** € 60.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/516774130-hydrofarm-1-2-rubber-grommet)

## Best For

- hydrofarm enthusiasts

## Why This Product

- Trusted hydrofarm brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Ready:** Pack of 25 grommets to power through multiple projects without running out
- • **Precision Fit:** Designed for 1/2 inch inner diameter connectors, no more guesswork
- • **Trusted by Pros:** Highly rated with 4.6 stars from 579 hydroponic enthusiasts
- • **Durable Rubber Build:** Premium rubber material resists wear and tear for long-lasting use
- • **Leakproof Confidence:** Ensures a flawless waterproof seal in all your hydroponic setups

## Overview

Hydrofarm’s 1/2 Rubber Grommet is a high-quality, durable rubber seal designed to provide a reliable waterproof barrier in hydroponic and DIY systems. Compatible with 1/2 inch connectors, it comes in a convenient pack of 25, making it ideal for both replacements and large-scale projects. Praised for its perfect fit and longevity, this grommet is a must-have for professionals and hobbyists aiming for leak-free, efficient setups.

## Description

Rubber seal provides a waterproof seal in DIY systems and can replace worn, older eyelets. For use with 1/2" connectors, pack of 25

Review: Works great - Good product
Review: Fantastic. simple and works - I wish i had just bought these on the first time around rather than trying to save a few dollars on cheaper types. Good workmanship, fits a 3/4 inch hole perfectly, .5 inch elbow bits with no leak. since i got this package ive made 6 drains and all of them fit nicely with no issues. When i finish the packet and have another round of drains to make ill purchase this again.

## Features

- Provides a waterproof seal in hydroponics compounds
- Use in DIY systems or to replace worn nozzles in existing hydro systems
- 1/2" inner diameter

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008UFAHXC |
| Brand | Hydrofarm |
| Colour | black |
| Compatible Groove Diameter | 0.63 Inches |
| Customer Reviews | 4.6 out of 5 stars 579 Reviews |
| Exterior Finish | Brass |
| Fastener Size | 1/2 inches |
| Fastener Type | Grommet |
| Finish Types | Glossy |
| Global Trade Identification Number | 00638104005647, 10638104005644 |
| Item Diameter | 0.5 Inches |
| Item Dimensions | 19.1 x 10.2 x 2.5 Centimeters |
| Item Type Name | Rubber grommet |
| Item Weight | 0.02 Kilograms |
| Manufacturer | Hydrofarm |
| Material | Rubber |
| Material Type | Rubber |
| Metal Type | Brass |
| Model | HGGR50 |
| Number Of Items | 1 |
| Number of Pieces | 25 |
| Outside Diameter | 0.5 Inches |
| Part Number | HGGR50 |
| Screw Head Style | O-Ring |
| Set Name | 25 |
| Size | 1,27 cm |
| Size Name | 1,27 cm |
| UPC | 638104005647 |
| Washer Application | hydroponics |
| Washer Compatibility | 1/2 inch bolts |
| Washer Type | O-Ring |

## Product Details

- **Exterior Finish:** Rubber
- **Fastener Size:** 1/2"
- **Material:** Rubber
- **Outside Diameter:** 0.5 Inches
- **Size:** 1/2"

## Images

![Hydrofarm 1/2 Rubber Grommet - Image 1](https://m.media-amazon.com/images/I/71L9Z-oM1AL.jpg)
![Hydrofarm 1/2 Rubber Grommet - Image 2](https://m.media-amazon.com/images/I/61qtOK44lJL.jpg)
![Hydrofarm 1/2 Rubber Grommet - Image 3](https://m.media-amazon.com/images/I/216-GqZfu6L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great
*by J***3 on 6 January 2026*

Good product

### ⭐⭐⭐⭐⭐ Fantastic. simple and works
*by J***E on 22 January 2024*

I wish i had just bought these on the first time around rather than trying to save a few dollars on cheaper types. Good workmanship, fits a 3/4 inch hole perfectly, .5 inch elbow bits with no leak. since i got this package ive made 6 drains and all of them fit nicely with no issues. When i finish the packet and have another round of drains to make ill purchase this again.

### ⭐⭐⭐⭐⭐ Buen producto
*by X***G on 20 February 2020*

Excelentes

## Frequently Bought Together

- Hydrofarm HGGR50 (25 Pack), 1/2" Rubber Grommet, Black
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- Little Giant 1-ABS 115-volt, 1/150 HP, 205 GPH Automatic Shallow Pan Condensate Removal Pump for Ceiling Mounted Air Conditioners or Dehumidifiers, with Condensate Collection Tank, Black/Blue, 550522

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-07-16*