---
product_id: 2709182
title: "Pentair OMNIFilter CB3 Carbon Water Filter, 10\" Undersink Carbon Block Taste & Odor Replacement Filter Cartridge, NSF Certified to Reduce PFOA/PFOS, 10\" x 2.5\", 0.5 Micron"
brand: "pentair"
price: "€ 58.20"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/2709182-pentair-omnifilter-cb3-carbon-water-filter-10-undersink-carbon-block
store_origin: IE
region: Ireland
---

# 400-gallon capacity 0.5 Micron filtration NSF certified safety Pentair OMNIFilter CB3 Carbon Water Filter, 10" Undersink Carbon Block Taste & Odor Replacement Filter Cartridge, NSF Certified to Reduce PFOA/PFOS, 10" x 2.5", 0.5 Micron

**Brand:** pentair
**Price:** € 58.20
**Availability:** ✅ In Stock

## Summary

> 💦 Drink Pure, Live Pure!

## Quick Answers

- **What is this?** Pentair OMNIFilter CB3 Carbon Water Filter, 10" Undersink Carbon Block Taste & Odor Replacement Filter Cartridge, NSF Certified to Reduce PFOA/PFOS, 10" x 2.5", 0.5 Micron by pentair
- **How much does it cost?** € 58.20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/2709182-pentair-omnifilter-cb3-carbon-water-filter-10-undersink-carbon-block)

## Best For

- pentair enthusiasts

## Why This Product

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

## Key Features

- • **Peace of Mind:** NSF/ANSI certified for your safety.
- • **Universal Fit:** Compatible with major under-sink systems.
- • **Certified Clean:** Reduces up to 97% of harmful PFOA/PFOS.
- • **Transform Your Water:** Say goodbye to bad taste and odor!
- • **Long-Lasting Performance:** Enjoy clean water for up to 6 months.

## Overview

The Pentair OMNIFilter CB3 Carbon Water Filter is a high-performance undersink filter cartridge designed to significantly improve the taste and quality of your drinking water. With a 0.5-micron filtration capability, it effectively reduces chlorine, lead, and harmful contaminants like PFOA/PFOS, ensuring you enjoy cleaner, clearer water. This NSF-certified filter has a capacity of 400 gallons and is compatible with various under-sink systems, making it a reliable choice for health-conscious consumers.

## Description

Pentair OMNIFilter CB3 Carbon Water Filter, 10" Undersink Carbon Block Taste & Odor Replacement Filter Cartridge, NSF Certified to Reduce PFOA/PFOS, 10" x 2.5", 0.5 Micron

## Features

- HIGHLY EFFECTIVE at reducing unwanted bad taste & odor, chlorine taste & odor and other contaminants for cleaner, clearer, better-tasting water
- FOR USE IN UNDER SINK drinking water filter systems; Fits OMNIFilter CBF1, CBF3, OT32 and USM2 Under Sink filter housings as well as 10" standard housings of other major brands
- ENJOY PEACE OF MIND KNOWING THIS CARTRIDGE REDUCES UP TO 97% of PFOA/PFOS “forever chemicals”. When used in OMNIFilter CBF3 & OT32 systems, this filter cartridge is certified by the IAPMO R&T against NSF/ANSI 53 for the reduction of perfluorooctanoic acid [PFOA] and perfluorooctane sulfonate [PFOS]
- NSF/ANSI 42/53 certified for Lead, Chlorine Taste & Odor, Giardia, Cryptosporidium Cysts and other chemicals
- 400 GALLON CAPACITY. Replace every 6 months or when you notice a drop in water pressure or water quality

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Carbon block |
| Product Dimensions | 2.8"D x 2.8"W x 9.8"H |
| Item Weight | 16 ounces |
| External Testing Certification | ANSI, NSF |
| Product Benefits | Reduces Chlorine |
| Brand | Pentair |
| UPC | 047087201005 047087300258 |
| Global Trade Identification Number | 00047087300258 |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Manufacturer | Pentair |
| Part Number | CB3-SS4-S18 |
| Item Weight | 1 pounds |
| Country of Origin | China |
| Item model number | CB3-SS |
| Is Discontinued By Manufacturer | No |
| Size | 1 Count (Pack of 1) |
| Color | White |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 1 Year |

## Product Details

- **Material:** Carbon block
- **Product Dimensions:** 2.8"D x 2.8"W x 9.8"H
- **Item Weight:** 16 ounces
- **External Testing Certification:** ANSI, NSF
- **Product Benefits:** Reduces Chlorine

## Images

![Pentair OMNIFilter CB3 Carbon Water Filter, 10" Undersink Carbon Block Taste & Odor Replacement Filter Cartridge, NSF Certified to Reduce PFOA/PFOS, 10" x 2.5", 0.5 Micron - Image 1](https://m.media-amazon.com/images/I/61PXr+LY9FL.jpg)
![Pentair OMNIFilter CB3 Carbon Water Filter, 10" Undersink Carbon Block Taste & Odor Replacement Filter Cartridge, NSF Certified to Reduce PFOA/PFOS, 10" x 2.5", 0.5 Micron - Image 2](https://m.media-amazon.com/images/I/61yMXtebV+L.jpg)
![Pentair OMNIFilter CB3 Carbon Water Filter, 10" Undersink Carbon Block Taste & Odor Replacement Filter Cartridge, NSF Certified to Reduce PFOA/PFOS, 10" x 2.5", 0.5 Micron - Image 3](https://m.media-amazon.com/images/I/31lmw7GASsL.jpg)
![Pentair OMNIFilter CB3 Carbon Water Filter, 10" Undersink Carbon Block Taste & Odor Replacement Filter Cartridge, NSF Certified to Reduce PFOA/PFOS, 10" x 2.5", 0.5 Micron - Image 4](https://m.media-amazon.com/images/I/61v+Xvp6bRL.jpg)

## Frequently Bought Together

- Pentair OMNIFilter CB3 Carbon Water Filter, 10" Undersink Carbon Block Taste & Odor Replacement Filter Cartridge, NSF Certified to Reduce PFOA/PFOS, 10" x 2.5", 0.5 Micron
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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-18*