---
product_id: 83318069
title: "APEC Water Systems Replacement ORing for ROES-50 3.5\" OD Reverse Osmosis Water Filter Housings, O-Ring (3 pcs O-Ring-Set-B)"
brand: "apec water"
price: "€ 40.71"
currency: EUR
in_stock: true
category: "Apec Water"
url: https://www.desertcart.be/products/83318069-apec-water-systems-replacement-oring-for-roes-50-3-5
store_origin: BE
region: Belgium
---

# NSF-compliant durable material 3.5 inch OD standard size 3-pack precision fit APEC Water Systems Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings, O-Ring (3 pcs O-Ring-Set-B)

**Brand:** apec water
**Price:** € 40.71
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your water pure and your system flawless — don’t let leaks cramp your flow!

## Quick Answers

- **What is this?** APEC Water Systems Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings, O-Ring (3 pcs O-Ring-Set-B) by apec water
- **How much does it cost?** € 40.71 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/83318069-apec-water-systems-replacement-oring-for-roes-50-3-5)

## Best For

- apec water enthusiasts

## Why This Product

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

## Key Features

- • **Leak-Proof Assurance:** Works flawlessly with food-grade lubricants for a secure seal
- • **Seamless Compatibility:** Perfectly engineered for APEC ROES-50 & 10" standard housings
- • **Effortless Installation:** Lightweight design for quick, hassle-free replacement
- • **Long-Lasting Reliability:** Durable NSF-certified materials ensure up to 2 years of worry-free use
- • **Essential Maintenance Kit:** 3 O-rings included to keep your water system running flawlessly

## Overview

This 3-pack of NSF-compliant O-rings is designed for APEC ROES-50 and other 10" standard reverse osmosis filter housings. Lightweight and easy to install, these durable seals ensure leak-proof performance when paired with food-grade lubricants. Recommended replacement every 1-2 years to maintain optimal water filtration efficiency.

## Description

These durable O-Rings are compatible with APEC Essence and Ultimate reverse osmosis systems and can be used on other 10" standard sized filter housings as well. They are light weight and asy to install, working great with Dow Cornering 111 Compound lubricant or any other brand food type lubricant for maximum leak seal. Recommend to replace O-Rings every 1-2 years.

## Features

- IMPORTANT: A set of 3 O-rings for standard filter housings of APEC RO systems. Please kindly check the second gallery image for compatibility of this O-Ring set
- Diameter 3.5 inch OD
- Light weight, easy install and unload
- Manufactured using NSF-compliant materials

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07HFJDPGC |
| Best Sellers Rank | #25,575 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Undersink Water Filtration Replacement Parts |
| Brand Name | APEC WATER |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (562) |
| EU Spare Part Availability Duration | 2 Years |
| Included Components | O-Rings |
| Item Diameter | 3.5 Inches |
| Item Type Name | O-Ring |
| Manufacturer | APEC WATER SYSTEMS |
| Material Type | NSF-compliant materials |
| Model | O-RING-SET-B |
| Nominal Inside Diameter | 3.25 Inches |
| Nominal Outside Diameter | 3.5 Inches |
| Number of Pieces | 3 |
| Part Number | O-RING-SET-B |
| Set Name | 3-pack |
| Temperature Range | 60 to 100 Degrees Fahrenheit |
| UPC | 851001007532 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** APEC WATER
- **Color:** Black
- **Item Diameter:** 3.5 Inches
- **Material:** NSF-compliant materials
- **Nominal Inside Diameter:** 3.25 Inches

## Images

![APEC Water Systems Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings, O-Ring (3 pcs O-Ring-Set-B) - Image 1](https://m.media-amazon.com/images/I/61yHYw-auZL.jpg)

## Questions & Answers

**Q: What is different between type A and B?**
A: This answer must be old since systems purchased after 6/30/2019 also need Type A.  The product description states this. I also called the company to confirm this.

**Q: Do these rings float in water?**
A: No

**Q: I need o-rings for an aquasana filter housing. they are 3.5" od and 1/8" thick. which of these match that?**
A: Get it will fit

**Q: will these o rings fit aquapure house filter?**
A: Hello, these are industry standard 3.5" , designed for APEC pre filter housings. We recommend that you check with the manufacturer of your system for their recommendation on O-Rings. If you need any help or assistance, feel free to give us a call we are happy to help! Best Regards, APEC Support Team 800-880-4808.

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-07-24*