---
product_id: 673023813
title: "Captain O-Ring - Replacement OK25 O-Rings Compatible with OmniFilter OB1, WH5, U24, U25 Water Filter Housings (2 Sets, 8 O-Rings)"
brand: "captain o-ring"
price: "€ 50.71"
currency: EUR
in_stock: true
category: "Captain O Ring"
url: https://www.desertcart.fr/products/673023813-captain-o-ring-replacement-ok25-o-rings-compatible-with-omnifilter
store_origin: FR
region: France
---

# Leak-proof Buna-N rubber 2 complete replacement sets 8 precision-fit O-rings Captain O-Ring - Replacement OK25 O-Rings Compatible with OmniFilter OB1, WH5, U24, U25 Water Filter Housings (2 Sets, 8 O-Rings)

**Brand:** captain o-ring
**Price:** € 50.71
**Availability:** ✅ In Stock

## Summary

> 💧 Seal the deal with Captain O-Ring – never let a drip cramp your flow!

## Quick Answers

- **What is this?** Captain O-Ring - Replacement OK25 O-Rings Compatible with OmniFilter OB1, WH5, U24, U25 Water Filter Housings (2 Sets, 8 O-Rings) by captain o-ring
- **How much does it cost?** € 50.71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/673023813-captain-o-ring-replacement-ok25-o-rings-compatible-with-omnifilter)

## Best For

- captain o-ring enthusiasts

## Why This Product

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

## Key Features

- • **Double the Backup:** Includes 2 full sets (8 O-rings) so you’re always ready for maintenance without delay.
- • **Durable Buna-N Material:** Crafted from high-grade nitrile rubber for superior chemical and wear resistance.
- • **Easy Maintenance Upgrade:** Replace your O-rings every third filter change to keep your water system running flawlessly.
- • **Precision Fit, Zero Leak:** Engineered for seamless compatibility with OmniFilter OB1, WH5, and U25 housings to eliminate leaks.
- • **Trusted Quality & Warranty:** Manufactured and backed by Captain O-Ring LLC with a 1-year defect warranty for peace of mind.

## Overview

Captain O-Ring’s OK25 Replacement O-Rings come in a convenient 2-set pack of 8 precision-engineered Buna-N rubber seals, perfectly compatible with OmniFilter OB1, WH5, and U25 water filter housings. Designed to prevent leaks and extend filter life, these durable gaskets are backed by a 1-year warranty, making them the essential upgrade for proactive water filtration maintenance.

## Description

The OK25 o-ring seals between your filter housing and filter head/cap on OmniFilter OB1, WH5, and U25 water filter housings. The OK25 o-ring kit contains four different o-ring sizes. This convenient 2 set package contains 2 of each size, for 8 o-rings total. What to expect: This item includes eight (8) o-rings in a resealable zip-top poly bag with "Captain O-Ring" branded packaging. Manufactured and warrantied against defect for one year by Captain O-Ring LLC. "Captain O-Ring" is a registered trademark of Captain O-Ring LLC.

## Features

- (2 Sets) OmniFilter OK25 Replacement O-Ring Gasket Seals (Includes 4 sizes, 2 of each)
- Compatible with OmniFilter OB1, WH5, and U25 water filter housings
- Quickly fix or prevent a leak in your water filter unit by replacing your filter housing o-ring with every third filter change
- Material: Buna-N (nitrile butadiene rubber)
- Manufactured and Warrantied by Captain O-Ring LLC

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09QV5XS74 |
| Best Sellers Rank | 936,140 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,576 in Tap O-Rings |
| Brand | Captain O-Ring |
| Colour | Black (Rubber) |
| Customer Reviews | 4.3 4.3 out of 5 stars (127) |
| EU Spare Part Availability Duration | 1 Years |
| Manufacturer | Captain O-Ring LLC |
| Manufacturer Part Number | OK25-2set" or "OMNIFILTEROK25-2SETS-905813582e |
| Material | Synthetic Rubber |
| Number of Items | 8 |
| Number of Packs | 2 |
| Number of Pieces | 8 |
| Set Name | Captain O-Ring OK25 O-Ring Kit (2 Sets, 8 O-Rings) |
| UPC | 810061940166 |
| Unit Count | 8.0 count |

## Product Details

- **Brand:** Captain O-Ring
- **Colour:** Black (Rubber)
- **EU Spare Part Availability Duration:** 1 Years
- **Material:** Synthetic Rubber
- **UPC:** 810061940166

## Images

![Captain O-Ring - Replacement OK25 O-Rings Compatible with OmniFilter OB1, WH5, U24, U25 Water Filter Housings (2 Sets, 8 O-Rings) - Image 1](https://m.media-amazon.com/images/I/41T2rAY3wuL.jpg)
![Captain O-Ring - Replacement OK25 O-Rings Compatible with OmniFilter OB1, WH5, U24, U25 Water Filter Housings (2 Sets, 8 O-Rings) - Image 2](https://m.media-amazon.com/images/I/51rYY4syIEL.jpg)
![Captain O-Ring - Replacement OK25 O-Rings Compatible with OmniFilter OB1, WH5, U24, U25 Water Filter Housings (2 Sets, 8 O-Rings) - Image 3](https://m.media-amazon.com/images/I/51nj5SakIXL.jpg)
![Captain O-Ring - Replacement OK25 O-Rings Compatible with OmniFilter OB1, WH5, U24, U25 Water Filter Housings (2 Sets, 8 O-Rings) - Image 4](https://m.media-amazon.com/images/I/51mHNpiQyDL.jpg)
![Captain O-Ring - Replacement OK25 O-Rings Compatible with OmniFilter OB1, WH5, U24, U25 Water Filter Housings (2 Sets, 8 O-Rings) - Image 5](https://m.media-amazon.com/images/I/51XUX9OsMjL.jpg)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-11-12*