---
product_id: 239066241
title: "R172009 Chlorine Feeder o Ring Replaces Pool/Spa Filter suitable for Pentair Rainbow Models 300/320 O-283 2/packs"
brand: "onlineseal"
price: "€ 16.50"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.sk/products/239066241-r172009-chlorine-feeder-o-ring-replaces-pool-spa-filter-suitable
store_origin: SK
region: Slovakia
---

# 3-3/4" OD 4-1/8" ID 3/16" Thickness R172009 Chlorine Feeder o Ring Replaces Pool/Spa Filter suitable for Pentair Rainbow Models 300/320 O-283 2/packs

**Brand:** onlineseal
**Price:** € 16.50
**Availability:** ✅ In Stock

## Summary

> 💦 Dive into Cleanliness with Confidence!

## Quick Answers

- **What is this?** R172009 Chlorine Feeder o Ring Replaces Pool/Spa Filter suitable for Pentair Rainbow Models 300/320 O-283 2/packs by onlineseal
- **How much does it cost?** € 16.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/239066241-r172009-chlorine-feeder-o-ring-replaces-pool-spa-filter-suitable)

## Best For

- onlineseal enthusiasts

## Why This Product

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

## Key Features

- • **🧩 Versatile Use:** Compatible with various Pentair pool and spa filters.
- • **⚙️ Easy Installation:** Quick and hassle-free setup for immediate use.
- • **🔒 Reliable Performance:** Ensures optimal chlorine/bromine distribution for sparkling clean water.
- • **💧 Dual Pack Convenience:** Comes in a pack of 2 for uninterrupted pool enjoyment.
- • **🔄 Seamless Compatibility:** Perfectly fits Pentair Rainbow models 300/320.

## Overview

The R172009 Chlorine Feeder O-Ring is a high-quality replacement part designed for Pentair Rainbow models 300 and 320. With dimensions of approximately 4-1/8" ID, 3-3/4" OD, and 3/16" thickness, this dual pack ensures seamless compatibility and reliable performance for your pool or spa's chlorine and bromine feeder system.

## Description

Approximately 4-1/8" ID x 3-3/4" OD x 3/16" Thickness Note attention : Packing 2 piece R172009 O-283 O-Ring suitable for Pentair Pool/ Spa Filter suitable for Pentair Rainbow automatic chlorine/bromine pool and spa feeder model 300, 302, 300-29X, 320, 322 Compatible with Pentair Rainbow automatic chlorine/bromine feeder extensions suitable for Pentair standard and high square feet module cartridge filters

## Features

- Approximately 4-1/8" ID x 3-3/4" OD x 3/16" Thickness.GFMOSOR
- Note attention : Packing 2 piece R172009 O-283 O-Ring suitable for Pentair Pool/ Spa Filter
- suitable for Pentair Rainbow automatic chlorine/bromine pool and spa feeder model 300, 302, 300-29X, 320, 322
- Compatible with Pentair Rainbow automatic chlorine/bromine feeder extensions
- suitable for Pentair standard and high square feet module cartridge filters

## Images

![R172009 Chlorine Feeder o Ring Replaces Pool/Spa Filter suitable for Pentair Rainbow Models 300/320 O-283 2/packs - Image 1](https://m.media-amazon.com/images/I/51Cytj2HBDL.jpg)
![R172009 Chlorine Feeder o Ring Replaces Pool/Spa Filter suitable for Pentair Rainbow Models 300/320 O-283 2/packs - Image 2](https://m.media-amazon.com/images/I/61gqrJLig6L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great
  

*by E***S on Reviewed in the United States on August 8, 2022*

Great

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Does the job
  

*by S***E on Reviewed in the United States on August 19, 2021*

The O-ring along with some silicone grease did the job -- stopped out Chlorine feeder from leaking at the top.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Need it
  

*by J***. on Reviewed in the United States on July 17, 2021*

Works as need

---

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**Shop now:** [https://www.desertcart.sk/products/239066241-r172009-chlorine-feeder-o-ring-replaces-pool-spa-filter-suitable](https://www.desertcart.sk/products/239066241-r172009-chlorine-feeder-o-ring-replaces-pool-spa-filter-suitable)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-23*